99860907 has 16 divisors (see below), whose sum is σ = 142065792. Its totient is φ = 62175360.

The previous prime is 99860899. The next prime is 99860911. The reversal of 99860907 is 70906899.

It is a happy number.

It is not a de Polignac number, because 99860907 - 2³ = 99860899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99860927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 793 + ... + 14154.

It is an arithmetic number, because the mean of its divisors is an integer number (8879112).

Almost surely, 2^99860907 is an apocalyptic number.

99860907 is a deficient number, since it is larger than the sum of its proper divisors (42204885).

99860907 is a wasteful number, since it uses less digits than its factorization.

99860907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15098.

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 99860907 is about 9993.0429299588. The cubic root of 99860907 is about 463.9435793342.

The spelling of 99860907 in words is "ninety-nine million, eight hundred sixty thousand, nine hundred seven".