77111264 has 12 divisors (see below), whose sum is σ = 151812864. Its totient is φ = 38555616.

The previous prime is 77111263. The next prime is 77111299. The reversal of 77111264 is 46211177.

It is a super-2 number, since 2×77111264² = 11892294071355392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77111263) by changing a digit.

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, 1204832 + ... + 1204895.

It is an arithmetic number, because the mean of its divisors is an integer number (12651072).

Almost surely, 2^77111264 is an apocalyptic number.

It is an amenable number.

77111264 is a deficient number, since it is larger than the sum of its proper divisors (74701600).

77111264 is a wasteful number, since it uses less digits than its factorization.

77111264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409737 (or 2409729 counting only the distinct ones).

The product of its digits is 2352, while the sum is 29.

The square root of 77111264 is about 8781.3019535830. The cubic root of 77111264 is about 425.6369025043.

The spelling of 77111264 in words is "seventy-seven million, one hundred eleven thousand, two hundred sixty-four".