77914836 has 36 divisors (see below), whose sum is σ = 199897152. Its totient is φ = 25583184.

The previous prime is 77914829. The next prime is 77914841. The reversal of 77914836 is 63841977.

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

It is a junction number, because it is equal to n+sod(n) for n = 77914791 and 77914800.

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, 13740 + ... + 18563.

Almost surely, 2^77914836 is an apocalyptic number.

It is an amenable number.

77914836 is an abundant number, since it is smaller than the sum of its proper divisors (121982316).

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

77914836 is a wasteful number, since it uses less digits than its factorization.

77914836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32380 (or 32375 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 77914836 is about 8826.9380874684. The cubic root of 77914836 is about 427.1103086754.

The spelling of 77914836 in words is "seventy-seven million, nine hundred fourteen thousand, eight hundred thirty-six".