97077897 has 24 divisors (see below), whose sum is σ = 168692160. Its totient is φ = 52552800.

The previous prime is 97077887. The next prime is 97077931. The reversal of 97077897 is 79877079.

It is not a de Polignac number, because 97077897 - 2⁴ = 97077881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97077817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39354 + ... + 41747.

It is an arithmetic number, because the mean of its divisors is an integer number (7028840).

Almost surely, 2^97077897 is an apocalyptic number.

It is an amenable number.

97077897 is a deficient number, since it is larger than the sum of its proper divisors (71614263).

97077897 is a wasteful number, since it uses less digits than its factorization.

97077897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81133 (or 81130 counting only the distinct ones).

The product of its (nonzero) digits is 1555848, while the sum is 54.

The square root of 97077897 is about 9852.8116291747. The cubic root of 97077897 is about 459.5930506122.

The spelling of 97077897 in words is "ninety-seven million, seventy-seven thousand, eight hundred ninety-seven".