99976403 has 2 divisors, whose sum is σ = 99976404. Its totient is φ = 99976402.

The previous prime is 99976399. The next prime is 99976421. The reversal of 99976403 is 30467999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99976403 - 2² = 99976399 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (99976453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49988201 + 49988202.

It is an arithmetic number, because the mean of its divisors is an integer number (49988202).

Almost surely, 2^99976403 is an apocalyptic number.

99976403 is a deficient number, since it is larger than the sum of its proper divisors (1).

99976403 is an equidigital number, since it uses as much as digits as its factorization.

99976403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 99976403 is about 9998.8200803895. The cubic root of 99976403 is about 464.1223712986.

The spelling of 99976403 in words is "ninety-nine million, nine hundred seventy-six thousand, four hundred three".