99738507 has 16 divisors (see below), whose sum is σ = 153608832. Its totient is φ = 56891520.

The previous prime is 99738503. The next prime is 99738523. The reversal of 99738507 is 70583799.

It is not a de Polignac number, because 99738507 - 2² = 99738503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99738503) 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, 88333 + ... + 89454.

It is an arithmetic number, because the mean of its divisors is an integer number (9600552).

Almost surely, 2^99738507 is an apocalyptic number.

99738507 is a deficient number, since it is larger than the sum of its proper divisors (53870325).

99738507 is a wasteful number, since it uses less digits than its factorization.

99738507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177818.

The product of its (nonzero) digits is 476280, while the sum is 48.

The square root of 99738507 is about 9986.9167914827. The cubic root of 99738507 is about 463.7539492015.

The spelling of 99738507 in words is "ninety-nine million, seven hundred thirty-eight thousand, five hundred seven".