64147077057 has 32 divisors (see below), whose sum is σ = 98563763200. Its totient is φ = 36350140608.

The previous prime is 64147076999. The next prime is 64147077083. The reversal of 64147077057 is 75077074146.

It is not a de Polignac number, because 64147077057 - 2¹⁶ = 64147011521 is a prime.

It is a super-2 number, since 2×64147077057² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64147076997 and 64147077015.

It is not an unprimeable number, because it can be changed into a prime (64147079057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2635419 + ... + 2659647.

It is an arithmetic number, because the mean of its divisors is an integer number (3080117600).

Almost surely, 2^64147077057 is an apocalyptic number.

It is an amenable number.

64147077057 is a deficient number, since it is larger than the sum of its proper divisors (34416686143).

64147077057 is a wasteful number, since it uses less digits than its factorization.

64147077057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25285.

The product of its (nonzero) digits is 1152480, while the sum is 48.

The spelling of 64147077057 in words is "sixty-four billion, one hundred forty-seven million, seventy-seven thousand, fifty-seven".