97677697 has 4 divisors (see below), whose sum is σ = 105191380. Its totient is φ = 90164016.

The previous prime is 97677691. The next prime is 97677709. The reversal of 97677697 is 79677679.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62583921 + 35093776 = 7911^2 + 5924^2 .

It is a cyclic number.

It is not a de Polignac number, because 97677697 - 2²³ = 89289089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97677691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3756822 + ... + 3756847.

It is an arithmetic number, because the mean of its divisors is an integer number (26297845).

Almost surely, 2^97677697 is an apocalyptic number.

It is an amenable number.

97677697 is a deficient number, since it is larger than the sum of its proper divisors (7513683).

97677697 is a wasteful number, since it uses less digits than its factorization.

97677697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7513682.

The product of its digits is 7001316, while the sum is 58.

The square root of 97677697 is about 9883.2027703574. The cubic root of 97677697 is about 460.5376464032.

The spelling of 97677697 in words is "ninety-seven million, six hundred seventy-seven thousand, six hundred ninety-seven".