99407663 has 2 divisors, whose sum is σ = 99407664. Its totient is φ = 99407662.

The previous prime is 99407593. The next prime is 99407683. The reversal of 99407663 is 36670499.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99407663 - 2²² = 95213359 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99407683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49703831 + 49703832.

It is an arithmetic number, because the mean of its divisors is an integer number (49703832).

Almost surely, 2^99407663 is an apocalyptic number.

99407663 is a deficient number, since it is larger than the sum of its proper divisors (1).

99407663 is an equidigital number, since it uses as much as digits as its factorization.

99407663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 99407663 is about 9970.3391617337. The cubic root of 99407663 is about 463.2406062676.

The spelling of 99407663 in words is "ninety-nine million, four hundred seven thousand, six hundred sixty-three".