77514112531 has 2 divisors, whose sum is σ = 77514112532. Its totient is φ = 77514112530.

The previous prime is 77514112517. The next prime is 77514112541. The reversal of 77514112531 is 13521141577.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77514112531 - 2⁹ = 77514112019 is a prime.

It is a super-2 number, since 2×77514112531² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (77514112541) by changing a digit.

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 as a sum of consecutive naturals, namely, 38757056265 + 38757056266.

It is an arithmetic number, because the mean of its divisors is an integer number (38757056266).

Almost surely, 2^77514112531 is an apocalyptic number.

77514112531 is a deficient number, since it is larger than the sum of its proper divisors (1).

77514112531 is an equidigital number, since it uses as much as digits as its factorization.

77514112531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29400, while the sum is 37.

The spelling of 77514112531 in words is "seventy-seven billion, five hundred fourteen million, one hundred twelve thousand, five hundred thirty-one".