99974867 has 2 divisors, whose sum is σ = 99974868. Its totient is φ = 99974866.

The previous prime is 99974863. The next prime is 99974879. The reversal of 99974867 is 76847999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99974867 - 2² = 99974863 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99974863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49987433 + 49987434.

It is an arithmetic number, because the mean of its divisors is an integer number (49987434).

Almost surely, 2^99974867 is an apocalyptic number.

99974867 is a deficient number, since it is larger than the sum of its proper divisors (1).

99974867 is an equidigital number, since it uses as much as digits as its factorization.

99974867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6858432, while the sum is 59.

The square root of 99974867 is about 9998.7432710316. The cubic root of 99974867 is about 464.1199944191.

The spelling of 99974867 in words is "ninety-nine million, nine hundred seventy-four thousand, eight hundred sixty-seven".