128367803704 has 48 divisors (see below), whose sum is σ = 280111235400. Its totient is φ = 54990145728.

The previous prime is 128367803693. The next prime is 128367803713. The reversal of 128367803704 is 407308763821.

It is a happy number.

It is a super-2 number, since 2×128367803704² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 817287 + ... + 961609.

Almost surely, 2^128367803704 is an apocalyptic number.

128367803704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

128367803704 is an abundant number, since it is smaller than the sum of its proper divisors (151743431696).

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

128367803704 is a wasteful number, since it uses less digits than its factorization.

128367803704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146612 (or 146601 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 128367803704 in words is "one hundred twenty-eight billion, three hundred sixty-seven million, eight hundred three thousand, seven hundred four".