99502420599 has 8 divisors (see below), whose sum is σ = 147410993520. Its totient is φ = 66334947048.

The previous prime is 99502420547. The next prime is 99502420609.

99502420599 is a `hidden beast` number, since 9 + 9 + 5 + 0 + 2 + 42 + 0 + 599 = 666.

99502420599 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 99502420599 - 2¹⁷ = 99502289527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99502420529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1842637392 + ... + 1842637445.

It is an arithmetic number, because the mean of its divisors is an integer number (18426374190).

Almost surely, 2^99502420599 is an apocalyptic number.

99502420599 is a deficient number, since it is larger than the sum of its proper divisors (47908572921).

99502420599 is a wasteful number, since it uses less digits than its factorization.

99502420599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3685274846 (or 3685274840 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 54.

The spelling of 99502420599 in words is "ninety-nine billion, five hundred two million, four hundred twenty thousand, five hundred ninety-nine".