97590797 has 4 divisors (see below), whose sum is σ = 97610556. Its totient is φ = 97571040.

The previous prime is 97590769. The next prime is 97590811. The reversal of 97590797 is 79709579.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 45549001 + 52041796 = 6749^2 + 7214^2 .

It is a cyclic number.

It is not a de Polignac number, because 97590797 - 2¹⁴ = 97574413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97590397) 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 3 ways as a sum of consecutive naturals, for example, 4847 + ... + 14787.

It is an arithmetic number, because the mean of its divisors is an integer number (24402639).

Almost surely, 2^97590797 is an apocalyptic number.

It is an amenable number.

97590797 is a deficient number, since it is larger than the sum of its proper divisors (19759).

97590797 is an equidigital number, since it uses as much as digits as its factorization.

97590797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19758.

The product of its (nonzero) digits is 1250235, while the sum is 53.

The square root of 97590797 is about 9878.8054439796. The cubic root of 97590797 is about 460.4010318130.

The spelling of 97590797 in words is "ninety-seven million, five hundred ninety thousand, seven hundred ninety-seven".