97577797877 has 16 divisors (see below), whose sum is σ = 113044401792. Its totient is φ = 82496198400.

The previous prime is 97577797843. The next prime is 97577797901. The reversal of 97577797877 is 77879777579.

It is not a de Polignac number, because 97577797877 - 2¹⁴ = 97577781493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97577791877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222377 + ... + 494577.

It is an arithmetic number, because the mean of its divisors is an integer number (7065275112).

Almost surely, 2^97577797877 is an apocalyptic number.

It is an amenable number.

97577797877 is a deficient number, since it is larger than the sum of its proper divisors (15466603915).

97577797877 is a wasteful number, since it uses less digits than its factorization.

97577797877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272908.

The product of its digits is 2668279320, while the sum is 80.

The spelling of 97577797877 in words is "ninety-seven billion, five hundred seventy-seven million, seven hundred ninety-seven thousand, eight hundred seventy-seven".