99232979 has 2 divisors, whose sum is σ = 99232980. Its totient is φ = 99232978.

The previous prime is 99232951. The next prime is 99233003. The reversal of 99232979 is 97923299.

It is a strong prime.

It is an emirp because it is prime and its reverse (97923299) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99232979 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99232919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49616489 + 49616490.

It is an arithmetic number, because the mean of its divisors is an integer number (49616490).

Almost surely, 2^99232979 is an apocalyptic number.

99232979 is a deficient number, since it is larger than the sum of its proper divisors (1).

99232979 is an equidigital number, since it uses as much as digits as its factorization.

99232979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 551124, while the sum is 50.

The square root of 99232979 is about 9961.5751264547. The cubic root of 99232979 is about 462.9691041680.

The spelling of 99232979 in words is "ninety-nine million, two hundred thirty-two thousand, nine hundred seventy-nine".