78188796 has 36 divisors (see below), whose sum is σ = 225879472. Its totient is φ = 22339584.

The previous prime is 78188783. The next prime is 78188813. The reversal of 78188796 is 69788187.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×78188796² = 12226975639859232, which contains 22 as substring.

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, 154885 + ... + 155388.

Almost surely, 2^78188796 is an apocalyptic number.

It is an amenable number.

78188796 is an abundant number, since it is smaller than the sum of its proper divisors (147690676).

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

78188796 is a wasteful number, since it uses less digits than its factorization.

78188796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310290 (or 310285 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 54.

The square root of 78188796 is about 8842.4428751335. The cubic root of 78188796 is about 427.6103172774.

It can be divided in two parts, 7818 and 8796, that multiplied together give a triangular number (68767128 = T₁₁₇₂₇).

The spelling of 78188796 in words is "seventy-eight million, one hundred eighty-eight thousand, seven hundred ninety-six".