97796939 has 2 divisors, whose sum is σ = 97796940. Its totient is φ = 97796938.

The previous prime is 97796927. The next prime is 97796977. The reversal of 97796939 is 93969779.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97796939 - 2²⁴ = 81019723 is a prime.

It is not a weakly prime, because it can be changed into another prime (97796639) 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 as a sum of consecutive naturals, namely, 48898469 + 48898470.

It is an arithmetic number, because the mean of its divisors is an integer number (48898470).

Almost surely, 2^97796939 is an apocalyptic number.

97796939 is a deficient number, since it is larger than the sum of its proper divisors (1).

97796939 is an equidigital number, since it uses as much as digits as its factorization.

97796939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5786802, while the sum is 59.

The square root of 97796939 is about 9889.2334890021. The cubic root of 97796939 is about 460.7249737068.

The spelling of 97796939 in words is "ninety-seven million, seven hundred ninety-six thousand, nine hundred thirty-nine".