76577989801 has 2 divisors, whose sum is σ = 76577989802. Its totient is φ = 76577989800.

The previous prime is 76577989793. The next prime is 76577989853. The reversal of 76577989801 is 10898977567.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74570501776 + 2007488025 = 273076^2 + 44805^2 .

It is a cyclic number.

It is not a de Polignac number, because 76577989801 - 2³ = 76577989793 is a prime.

It is not a weakly prime, because it can be changed into another prime (76577989601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38288994900 + 38288994901.

It is an arithmetic number, because the mean of its divisors is an integer number (38288994901).

Almost surely, 2^76577989801 is an apocalyptic number.

It is an amenable number.

76577989801 is a deficient number, since it is larger than the sum of its proper divisors (1).

76577989801 is an equidigital number, since it uses as much as digits as its factorization.

76577989801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53343360, while the sum is 67.

The spelling of 76577989801 in words is "seventy-six billion, five hundred seventy-seven million, nine hundred eighty-nine thousand, eight hundred one".