97929907 has 2 divisors, whose sum is σ = 97929908. Its totient is φ = 97929906.

The previous prime is 97929893. The next prime is 97929917. The reversal of 97929907 is 70992979.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97929907 - 2¹⁹ = 97405619 is a prime.

It is not a weakly prime, because it can be changed into another prime (97929917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48964953 + 48964954.

It is an arithmetic number, because the mean of its divisors is an integer number (48964954).

Almost surely, 2^97929907 is an apocalyptic number.

97929907 is a deficient number, since it is larger than the sum of its proper divisors (1).

97929907 is an equidigital number, since it uses as much as digits as its factorization.

97929907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 642978, while the sum is 52.

The square root of 97929907 is about 9895.9540722459. The cubic root of 97929907 is about 460.9336848567.

The spelling of 97929907 in words is "ninety-seven million, nine hundred twenty-nine thousand, nine hundred seven".