77893056 has 56 divisors (see below), whose sum is σ = 228996240. Its totient is φ = 25963776.

The previous prime is 77893051. The next prime is 77893069. The reversal of 77893056 is 65039877.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77893051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20811 + ... + 24266.

Almost surely, 2^77893056 is an apocalyptic number.

It is an amenable number.

77893056 is an abundant number, since it is smaller than the sum of its proper divisors (151103184).

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

77893056 is a wasteful number, since it uses less digits than its factorization.

77893056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45098 (or 45082 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 77893056 is about 8825.7042778466. The cubic root of 77893056 is about 427.0705074004.

The spelling of 77893056 in words is "seventy-seven million, eight hundred ninety-three thousand, fifty-six".