78901596 has 18 divisors (see below), whose sum is σ = 199445792. Its totient is φ = 26300520.

The previous prime is 78901591. The next prime is 78901597. The reversal of 78901596 is 69510987.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78901591) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1095820 + ... + 1095891.

Almost surely, 2^78901596 is an apocalyptic number.

It is an amenable number.

78901596 is an abundant number, since it is smaller than the sum of its proper divisors (120544196).

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

78901596 is a wasteful number, since it uses less digits than its factorization.

78901596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191721 (or 2191716 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 78901596 is about 8882.6570349192. The cubic root of 78901596 is about 428.9058100874.

It can be divided in two parts, 78901 and 596, that added together give a palindrome (79497).

The spelling of 78901596 in words is "seventy-eight million, nine hundred one thousand, five hundred ninety-six".