97475879 has 2 divisors, whose sum is σ = 97475880. Its totient is φ = 97475878.

The previous prime is 97475857. The next prime is 97475887. The reversal of 97475879 is 97857479.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97475879 - 2¹² = 97471783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97475839) 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 as a sum of consecutive naturals, namely, 48737939 + 48737940.

It is an arithmetic number, because the mean of its divisors is an integer number (48737940).

Almost surely, 2^97475879 is an apocalyptic number.

97475879 is a deficient number, since it is larger than the sum of its proper divisors (1).

97475879 is an equidigital number, since it uses as much as digits as its factorization.

97475879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4445280, while the sum is 56.

The square root of 97475879 is about 9872.9873391998. The cubic root of 97475879 is about 460.2202458223.

The spelling of 97475879 in words is "ninety-seven million, four hundred seventy-five thousand, eight hundred seventy-nine".