128350277904 has 40 divisors (see below), whose sum is σ = 331692332832. Its totient is φ = 42767841280.

The previous prime is 128350277897. The next prime is 128350277911. The reversal of 128350277904 is 409772053821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (128350277897) and next prime (128350277911).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353502 + ... + 617789.

Almost surely, 2^128350277904 is an apocalyptic number.

It is an amenable number.

128350277904 is an abundant number, since it is smaller than the sum of its proper divisors (203342054928).

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

128350277904 is a wasteful number, since it uses less digits than its factorization.

128350277904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974055 (or 974049 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 128350277904 in words is "one hundred twenty-eight billion, three hundred fifty million, two hundred seventy-seven thousand, nine hundred four".