99719575 has 6 divisors (see below), whose sum is σ = 123652304. Its totient is φ = 79775640.

The previous prime is 99719561. The next prime is 99719611. The reversal of 99719575 is 57591799.

It is a happy number.

It is not a de Polignac number, because 99719575 - 2⁹ = 99719063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1994367 + ... + 1994416.

Almost surely, 2^99719575 is an apocalyptic number.

99719575 is a deficient number, since it is larger than the sum of its proper divisors (23932729).

99719575 is a wasteful number, since it uses less digits than its factorization.

99719575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3988793 (or 3988788 counting only the distinct ones).

The product of its digits is 893025, while the sum is 52.

The square root of 99719575 is about 9985.9689064206. The cubic root of 99719575 is about 463.7246046497.

The spelling of 99719575 in words is "ninety-nine million, seven hundred nineteen thousand, five hundred seventy-five".