77232270631 has 16 divisors (see below), whose sum is σ = 88081171200. Its totient is φ = 67261961088.

The previous prime is 77232270629. The next prime is 77232270659. The reversal of 77232270631 is 13607223277.

It is a cyclic number.

It is not a de Polignac number, because 77232270631 - 2¹ = 77232270629 is a prime.

It is a super-2 number, since 2×77232270631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77232270671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2766451 + ... + 2794228.

It is an arithmetic number, because the mean of its divisors is an integer number (5505073200).

Almost surely, 2^77232270631 is an apocalyptic number.

77232270631 is a deficient number, since it is larger than the sum of its proper divisors (10848900569).

77232270631 is a wasteful number, since it uses less digits than its factorization.

77232270631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560758.

The product of its (nonzero) digits is 148176, while the sum is 40.

The spelling of 77232270631 in words is "seventy-seven billion, two hundred thirty-two million, two hundred seventy thousand, six hundred thirty-one".