99958785 has 16 divisors (see below), whose sum is σ = 160750656. Its totient is φ = 53039168.

The previous prime is 99958763. The next prime is 99958811. The reversal of 99958785 is 58785999.

It is a cyclic number.

It is not a de Polignac number, because 99958785 - 2¹⁰ = 99957761 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13959 + ... + 19868.

It is an arithmetic number, because the mean of its divisors is an integer number (10046916).

It is a Proth number, since it is equal to 6101 ⋅ 2¹⁴ + 1 and 6101 < 2¹⁴.

Almost surely, 2^99958785 is an apocalyptic number.

It is an amenable number.

99958785 is a deficient number, since it is larger than the sum of its proper divisors (60791871).

99958785 is a wasteful number, since it uses less digits than its factorization.

99958785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34032.

The product of its digits is 8164800, while the sum is 60.

The square root of 99958785 is about 9997.9390376217. The cubic root of 99958785 is about 464.0951069041.

The spelling of 99958785 in words is "ninety-nine million, nine hundred fifty-eight thousand, seven hundred eighty-five".