77875064 has 16 divisors (see below), whose sum is σ = 149412120. Its totient is φ = 38031840.

The previous prime is 77875051. The next prime is 77875067. The reversal of 77875064 is 46057877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77875067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112847 + ... + 113534.

Almost surely, 2^77875064 is an apocalyptic number.

It is an amenable number.

77875064 is a deficient number, since it is larger than the sum of its proper divisors (71537056).

77875064 is a wasteful number, since it uses less digits than its factorization.

77875064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226430 (or 226426 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 44.

The square root of 77875064 is about 8824.6849235539. The cubic root of 77875064 is about 427.0376228077.

The spelling of 77875064 in words is "seventy-seven million, eight hundred seventy-five thousand, sixty-four".