77065964 has 24 divisors (see below), whose sum is σ = 143646048. Its totient is φ = 36051200.

The previous prime is 77065949. The next prime is 77065979. The reversal of 77065964 is 46956077.

It is an interprime number because it is at equal distance from previous prime (77065949) and next prime (77065979).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8489 + ... + 15039.

It is an arithmetic number, because the mean of its divisors is an integer number (5985252).

Almost surely, 2^77065964 is an apocalyptic number.

It is an amenable number.

77065964 is a deficient number, since it is larger than the sum of its proper divisors (66580084).

77065964 is a wasteful number, since it uses less digits than its factorization.

77065964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6745 (or 6743 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 77065964 is about 8778.7222304843. The cubic root of 77065964 is about 425.5535375603.

The spelling of 77065964 in words is "seventy-seven million, sixty-five thousand, nine hundred sixty-four".