99403807 has 2 divisors, whose sum is σ = 99403808. Its totient is φ = 99403806.

The previous prime is 99403783. The next prime is 99403817. The reversal of 99403807 is 70830499.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99403807 - 2¹¹ = 99401759 is a prime.

It is a super-2 number, since 2×99403807² = 19762233692186498, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99403807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99403817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49701903 + 49701904.

It is an arithmetic number, because the mean of its divisors is an integer number (49701904).

Almost surely, 2^99403807 is an apocalyptic number.

99403807 is a deficient number, since it is larger than the sum of its proper divisors (1).

99403807 is an equidigital number, since it uses as much as digits as its factorization.

99403807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 99403807 is about 9970.1457862962. The cubic root of 99403807 is about 463.2346165252.

The spelling of 99403807 in words is "ninety-nine million, four hundred three thousand, eight hundred seven".