99719792 has 10 divisors (see below), whose sum is σ = 193207128. Its totient is φ = 49859888.

The previous prime is 99719791. The next prime is 99719797. The reversal of 99719792 is 29791799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99719791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3116228 + ... + 3116259.

Almost surely, 2^99719792 is an apocalyptic number.

It is an amenable number.

99719792 is a deficient number, since it is larger than the sum of its proper divisors (93487336).

99719792 is a wasteful number, since it uses less digits than its factorization.

99719792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6232495 (or 6232489 counting only the distinct ones).

The product of its digits is 642978, while the sum is 53.

The square root of 99719792 is about 9985.9797716599. The cubic root of 99719792 is about 463.7249410202.

The spelling of 99719792 in words is "ninety-nine million, seven hundred nineteen thousand, seven hundred ninety-two".