77535968 has 12 divisors (see below), whose sum is σ = 152649000. Its totient is φ = 38767968.

The previous prime is 77535943. The next prime is 77535973. The reversal of 77535968 is 86953577.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1211468 + ... + 1211531.

It is an arithmetic number, because the mean of its divisors is an integer number (12720750).

Almost surely, 2^77535968 is an apocalyptic number.

It is an amenable number.

77535968 is a deficient number, since it is larger than the sum of its proper divisors (75113032).

77535968 is a wasteful number, since it uses less digits than its factorization.

77535968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423009 (or 2423001 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 50.

The square root of 77535968 is about 8805.4510389872. The cubic root of 77535968 is about 426.4168959134.

The spelling of 77535968 in words is "seventy-seven million, five hundred thirty-five thousand, nine hundred sixty-eight".