99976600639 has 2 divisors, whose sum is σ = 99976600640. Its totient is φ = 99976600638.

The previous prime is 99976600613. The next prime is 99976600649. The reversal of 99976600639 is 93600667999.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99976600639 - 2¹³ = 99976592447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99976600649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49988300319 + 49988300320.

It is an arithmetic number, because the mean of its divisors is an integer number (49988300320).

Almost surely, 2^99976600639 is an apocalyptic number.

99976600639 is a deficient number, since it is larger than the sum of its proper divisors (1).

99976600639 is an equidigital number, since it uses as much as digits as its factorization.

99976600639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29760696, while the sum is 64.

The spelling of 99976600639 in words is "ninety-nine billion, nine hundred seventy-six million, six hundred thousand, six hundred thirty-nine".