77937064 has 32 divisors (see below), whose sum is σ = 156219840. Its totient is φ = 36361600.

The previous prime is 77937043. The next prime is 77937073. The reversal of 77937064 is 46073977.

It is a self number, because there is not a number n which added to its sum of digits gives 77937064.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2379 + ... + 12709.

It is an arithmetic number, because the mean of its divisors is an integer number (4881870).

Almost surely, 2^77937064 is an apocalyptic number.

It is an amenable number.

77937064 is an abundant number, since it is smaller than the sum of its proper divisors (78282776).

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

77937064 is a wasteful number, since it uses less digits than its factorization.

77937064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10401 (or 10397 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 43.

The square root of 77937064 is about 8828.1970979357. The cubic root of 77937064 is about 427.1509209891.

The spelling of 77937064 in words is "seventy-seven million, nine hundred thirty-seven thousand, sixty-four".