97976089 has 4 divisors (see below), whose sum is σ = 101136640. Its totient is φ = 94815540.

The previous prime is 97976071. The next prime is 97976107. The reversal of 97976089 is 98067979.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (97976071) and next prime (97976107).

It is a cyclic number.

It is not a de Polignac number, because 97976089 - 2⁵ = 97976057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97976009) 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, 1580229 + ... + 1580290.

It is an arithmetic number, because the mean of its divisors is an integer number (25284160).

Almost surely, 2^97976089 is an apocalyptic number.

It is an amenable number.

97976089 is a deficient number, since it is larger than the sum of its proper divisors (3160551).

97976089 is a wasteful number, since it uses less digits than its factorization.

97976089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160550.

The product of its (nonzero) digits is 1714608, while the sum is 55.

The square root of 97976089 is about 9898.2871750622. The cubic root of 97976089 is about 461.0061295088.

The spelling of 97976089 in words is "ninety-seven million, nine hundred seventy-six thousand, eighty-nine".