77936056 has 32 divisors (see below), whose sum is σ = 160458480. Its totient is φ = 35193600.

The previous prime is 77936003. The next prime is 77936057. The reversal of 77936056 is 65063977.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77936057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10996 + ... + 16636.

Almost surely, 2^77936056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77936056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80229240).

77936056 is an abundant number, since it is smaller than the sum of its proper divisors (82522424).

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

77936056 is a wasteful number, since it uses less digits than its factorization.

77936056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5815 (or 5811 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 77936056 is about 8828.1400079518. The cubic root of 77936056 is about 427.1490794605.

The spelling of 77936056 in words is "seventy-seven million, nine hundred thirty-six thousand, fifty-six".