99715508 has 6 divisors (see below), whose sum is σ = 174502146. Its totient is φ = 49857752.

The previous prime is 99715507. The next prime is 99715513. The reversal of 99715508 is 80551799.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 77228944 + 22486564 = 8788^2 + 4742^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99715501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12464435 + ... + 12464442.

It is an arithmetic number, because the mean of its divisors is an integer number (29083691).

Almost surely, 2^99715508 is an apocalyptic number.

It is an amenable number.

99715508 is a deficient number, since it is larger than the sum of its proper divisors (74786638).

99715508 is a wasteful number, since it uses less digits than its factorization.

99715508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24928881 (or 24928879 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 44.

The square root of 99715508 is about 9985.7652686211. The cubic root of 99715508 is about 463.7183003254.

The spelling of 99715508 in words is "ninety-nine million, seven hundred fifteen thousand, five hundred eight".