99508473 has 16 divisors (see below), whose sum is σ = 147796800. Its totient is φ = 66169440.

The previous prime is 99508469. The next prime is 99508477. The reversal of 99508473 is 37480599.

It is an interprime number because it is at equal distance from previous prime (99508469) and next prime (99508477).

It is not a de Polignac number, because 99508473 - 2² = 99508469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99508477) 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, 6538 + ... + 15548.

It is an arithmetic number, because the mean of its divisors is an integer number (9237300).

Almost surely, 2^99508473 is an apocalyptic number.

It is an amenable number.

99508473 is a deficient number, since it is larger than the sum of its proper divisors (48288327).

99508473 is a wasteful number, since it uses less digits than its factorization.

99508473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9429 (or 9423 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 99508473 is about 9975.3933757020. The cubic root of 99508473 is about 463.3971452002.

The spelling of 99508473 in words is "ninety-nine million, five hundred eight thousand, four hundred seventy-three".