97797689 has 8 divisors (see below), whose sum is σ = 108281568. Its totient is φ = 87579360.

The previous prime is 97797683. The next prime is 97797709. The reversal of 97797689 is 98679779.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97797689 - 2⁴ = 97797673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97797683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65612 + ... + 67085.

It is an arithmetic number, because the mean of its divisors is an integer number (13535196).

Almost surely, 2^97797689 is an apocalyptic number.

It is an amenable number.

97797689 is a deficient number, since it is larger than the sum of its proper divisors (10483879).

97797689 is a wasteful number, since it uses less digits than its factorization.

97797689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132775.

The product of its digits is 12002256, while the sum is 62.

The square root of 97797689 is about 9889.2714089563. The cubic root of 97797689 is about 460.7261514630.

The spelling of 97797689 in words is "ninety-seven million, seven hundred ninety-seven thousand, six hundred eighty-nine".