5679911520 has 144 divisors (see below), whose sum is σ = 19561061520. Its totient is φ = 1500705792.

The previous prime is 5679911459. The next prime is 5679911539. The reversal of 5679911520 is 251199765.

5679911520 is a `hidden beast` number, since 56 + 79 + 9 + 1 + 1 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×5679911520² = 64522789750057420800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138867 + ... + 175053.

It is an arithmetic number, because the mean of its divisors is an integer number (135840705).

Almost surely, 2^5679911520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5679911520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9780530760).

5679911520 is an abundant number, since it is smaller than the sum of its proper divisors (13881150000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5679911520 is a wasteful number, since it uses less digits than its factorization.

5679911520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36317 (or 36306 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 45.

The square root of 5679911520 is about 75365.1877195300. The cubic root of 5679911520 is about 1784.2150162795.

The spelling of 5679911520 in words is "five billion, six hundred seventy-nine million, nine hundred eleven thousand, five hundred twenty".