5579721858 has 32 divisors (see below), whose sum is σ = 11702419200. Its totient is φ = 1771168896.

The previous prime is 5579721853. The next prime is 5579721859. The reversal of 5579721858 is 8581279755.

It is a super-2 number, since 2×5579721858² = 62266592025285944328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5579721798 and 5579721807.

It is not an unprimeable number, because it can be changed into a prime (5579721853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206938 + ... + 232341.

It is an arithmetic number, because the mean of its divisors is an integer number (365700600).

Almost surely, 2^5579721858 is an apocalyptic number.

5579721858 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5579721858 is an abundant number, since it is smaller than the sum of its proper divisors (6122697342).

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

5579721858 is a wasteful number, since it uses less digits than its factorization.

5579721858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439386.

The product of its digits is 7056000, while the sum is 57.

The square root of 5579721858 is about 74697.5358228101. The cubic root of 5579721858 is about 1773.6619534943.

The spelling of 5579721858 in words is "five billion, five hundred seventy-nine million, seven hundred twenty-one thousand, eight hundred fifty-eight".