97625839 has 4 divisors (see below), whose sum is σ = 97788880. Its totient is φ = 97462800.

The previous prime is 97625833. The next prime is 97625887. The reversal of 97625839 is 93852679.

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

It is a cyclic number.

It is not a de Polignac number, because 97625839 - 2³ = 97625831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97625792 and 97625801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97625831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80619 + ... + 81820.

It is an arithmetic number, because the mean of its divisors is an integer number (24447220).

Almost surely, 2^97625839 is an apocalyptic number.

97625839 is a deficient number, since it is larger than the sum of its proper divisors (163041).

97625839 is a wasteful number, since it uses less digits than its factorization.

97625839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163040.

The product of its digits is 816480, while the sum is 49.

The square root of 97625839 is about 9880.5788798025. The cubic root of 97625839 is about 460.4561307323.

The spelling of 97625839 in words is "ninety-seven million, six hundred twenty-five thousand, eight hundred thirty-nine".