5311979568 has 320 divisors, whose sum is σ = 18665472000. Its totient is φ = 1412557056.

The previous prime is 5311979531. The next prime is 5311979573. The reversal of 5311979568 is 8659791135.

5311979568 is a `hidden beast` number, since 5 + 3 + 1 + 1 + 9 + 79 + 568 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3389121 + ... + 3390687.

It is an arithmetic number, because the mean of its divisors is an integer number (58329600).

Almost surely, 2^5311979568 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 5311979568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9332736000).

5311979568 is an abundant number, since it is smaller than the sum of its proper divisors (13353492432).

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

5311979568 is a wasteful number, since it uses less digits than its factorization.

5311979568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669 (or 1657 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 54.

The square root of 5311979568 is about 72883.3284640596. The cubic root of 5311979568 is about 1744.8260314850.

The spelling of 5311979568 in words is "five billion, three hundred eleven million, nine hundred seventy-nine thousand, five hundred sixty-eight".