768877210537 has 2 divisors, whose sum is σ = 768877210538. Its totient is φ = 768877210536.

The previous prime is 768877210483. The next prime is 768877210573. The reversal of 768877210537 is 735012778867.

Together with next prime (768877210573) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 762514914841 + 6362295696 = 873221^2 + 79764^2 .

It is a cyclic number.

It is not a de Polignac number, because 768877210537 - 2³⁹ = 219121396649 is a prime.

It is not a weakly prime, because it can be changed into another prime (768877510537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384438605268 + 384438605269.

It is an arithmetic number, because the mean of its divisors is an integer number (384438605269).

Almost surely, 2^768877210537 is an apocalyptic number.

It is an amenable number.

768877210537 is a deficient number, since it is larger than the sum of its proper divisors (1).

768877210537 is an equidigital number, since it uses as much as digits as its factorization.

768877210537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27659520, while the sum is 61.

The spelling of 768877210537 in words is "seven hundred sixty-eight billion, eight hundred seventy-seven million, two hundred ten thousand, five hundred thirty-seven".