99524979 has 24 divisors (see below), whose sum is σ = 150527520. Its totient is φ = 63245952.

The previous prime is 99524963. The next prime is 99524981. The reversal of 99524979 is 97942599.

It is not a de Polignac number, because 99524979 - 2⁴ = 99524963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99524989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76567 + ... + 77855.

It is an arithmetic number, because the mean of its divisors is an integer number (6271980).

Almost surely, 2^99524979 is an apocalyptic number.

99524979 is a deficient number, since it is larger than the sum of its proper divisors (51002541).

99524979 is a wasteful number, since it uses less digits than its factorization.

99524979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691 (or 1688 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 54.

The square root of 99524979 is about 9976.2206771903. The cubic root of 99524979 is about 463.4227658339.

The spelling of 99524979 in words is "ninety-nine million, five hundred twenty-four thousand, nine hundred seventy-nine".