128710570807 has 24 divisors (see below), whose sum is σ = 166443188352. Its totient is φ = 98551857600.

The previous prime is 128710570759. The next prime is 128710570823. The reversal of 128710570807 is 708075017821.

It is not a de Polignac number, because 128710570807 - 2⁷ = 128710570679 is a prime.

It is a super-2 number, since 2×128710570807² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128710570207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3239244 + ... + 3278737.

It is an arithmetic number, because the mean of its divisors is an integer number (6935132848).

Almost surely, 2^128710570807 is an apocalyptic number.

128710570807 is a deficient number, since it is larger than the sum of its proper divisors (37732617545).

128710570807 is a wasteful number, since it uses less digits than its factorization.

128710570807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6518039 (or 6518032 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 46.

The spelling of 128710570807 in words is "one hundred twenty-eight billion, seven hundred ten million, five hundred seventy thousand, eight hundred seven".