128888750404 has 12 divisors (see below), whose sum is σ = 226548950544. Its totient is φ = 64160478824.

The previous prime is 128888750381. The next prime is 128888750513. The reversal of 128888750404 is 404057888821.

It is a happy number.

It is a super-2 number, since 2×128888750404² (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, 70973074 + ... + 70974889.

It is an arithmetic number, because the mean of its divisors is an integer number (18879079212).

Almost surely, 2^128888750404 is an apocalyptic number.

It is an amenable number.

128888750404 is a deficient number, since it is larger than the sum of its proper divisors (97660200140).

128888750404 is a wasteful number, since it uses less digits than its factorization.

128888750404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141948194 (or 141948192 counting only the distinct ones).

The product of its (nonzero) digits is 4587520, while the sum is 55.

The spelling of 128888750404 in words is "one hundred twenty-eight billion, eight hundred eighty-eight million, seven hundred fifty thousand, four hundred four".