128702892848 has 20 divisors (see below), whose sum is σ = 250174118040. Its totient is φ = 64141830144.

The previous prime is 128702892839. The next prime is 128702892853. The reversal of 128702892848 is 848298207821.

It is a super-2 number, since 2×128702892848² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13095953 + ... + 13105776.

It is an arithmetic number, because the mean of its divisors is an integer number (12508705902).

Almost surely, 2^128702892848 is an apocalyptic number.

It is an amenable number.

128702892848 is a deficient number, since it is larger than the sum of its proper divisors (121471225192).

128702892848 is a wasteful number, since it uses less digits than its factorization.

128702892848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26202044 (or 26202038 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 59.

The spelling of 128702892848 in words is "one hundred twenty-eight billion, seven hundred two million, eight hundred ninety-two thousand, eight hundred forty-eight".