128696796 has 24 divisors (see below), whose sum is σ = 333658640. Its totient is φ = 42898896.

The previous prime is 128696761. The next prime is 128696803. The reversal of 128696796 is 697696821.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 595711 + ... + 595926.

Almost surely, 2^128696796 is an apocalyptic number.

It is an amenable number.

128696796 is an abundant number, since it is smaller than the sum of its proper divisors (204961844).

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

128696796 is a wasteful number, since it uses less digits than its factorization.

128696796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191650 (or 1191642 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 128696796 is about 11344.4610273031. The cubic root of 128696796 is about 504.8812529999.

The spelling of 128696796 in words is "one hundred twenty-eight million, six hundred ninety-six thousand, seven hundred ninety-six".