77113670 has 16 divisors (see below), whose sum is σ = 139659120. Its totient is φ = 30655584.

The previous prime is 77113669. The next prime is 77113679. The reversal of 77113670 is 7631177.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77113679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22025 + ... + 25284.

It is an arithmetic number, because the mean of its divisors is an integer number (8728695).

Almost surely, 2^77113670 is an apocalyptic number.

77113670 is a deficient number, since it is larger than the sum of its proper divisors (62545450).

77113670 is a wasteful number, since it uses less digits than its factorization.

77113670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47479.

The product of its (nonzero) digits is 6174, while the sum is 32.

The square root of 77113670 is about 8781.4389481451. The cubic root of 77113670 is about 425.6413293186.

It can be divided in two parts, 771 and 13670, that added together give a palindrome (14441).

The spelling of 77113670 in words is "seventy-seven million, one hundred thirteen thousand, six hundred seventy".