97880933 has 2 divisors, whose sum is σ = 97880934. Its totient is φ = 97880932.

The previous prime is 97880929. The next prime is 97880953. The reversal of 97880933 is 33908879.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97752769 + 128164 = 9887^2 + 358^2 .

It is a cyclic number.

It is not a de Polignac number, because 97880933 - 2² = 97880929 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 (97880953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48940466 + 48940467.

It is an arithmetic number, because the mean of its divisors is an integer number (48940467).

Almost surely, 2^97880933 is an apocalyptic number.

It is an amenable number.

97880933 is a deficient number, since it is larger than the sum of its proper divisors (1).

97880933 is an equidigital number, since it uses as much as digits as its factorization.

97880933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 97880933 is about 9893.4793172069. The cubic root of 97880933 is about 460.8568355706.

The spelling of 97880933 in words is "ninety-seven million, eight hundred eighty thousand, nine hundred thirty-three".