99910285839 has 80 divisors (see below), whose sum is σ = 183857490432. Its totient is φ = 52652089152.

The previous prime is 99910285831. The next prime is 99910285847. The reversal of 99910285839 is 93858201999.

It is an interprime number because it is at equal distance from previous prime (99910285831) and next prime (99910285847).

It is not a de Polignac number, because 99910285839 - 2³ = 99910285831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99910285831) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 9009192 + ... + 9020274.

Almost surely, 2^99910285839 is an apocalyptic number.

99910285839 is a deficient number, since it is larger than the sum of its proper divisors (83947204593).

99910285839 is a wasteful number, since it uses less digits than its factorization.

99910285839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12338 (or 12329 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 63.

The spelling of 99910285839 in words is "ninety-nine billion, nine hundred ten million, two hundred eighty-five thousand, eight hundred thirty-nine".