97777764311 has 2 divisors, whose sum is σ = 97777764312. Its totient is φ = 97777764310.

The previous prime is 97777764269. The next prime is 97777764347. The reversal of 97777764311 is 11346777779.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97777764311 is a prime.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97777764211) 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, 48888882155 + 48888882156.

It is an arithmetic number, because the mean of its divisors is an integer number (48888882156).

Almost surely, 2^97777764311 is an apocalyptic number.

97777764311 is a deficient number, since it is larger than the sum of its proper divisors (1).

97777764311 is an equidigital number, since it uses as much as digits as its factorization.

97777764311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10890936, while the sum is 59.

The spelling of 97777764311 in words is "ninety-seven billion, seven hundred seventy-seven million, seven hundred sixty-four thousand, three hundred eleven".