99240577 has 6 divisors (see below), whose sum is σ = 105421958. Its totient is φ = 93402624.

The previous prime is 99240563. The next prime is 99240587. The reversal of 99240577 is 77504299.

It can be written as a sum of positive squares in 3 ways, for example, as 53597041 + 45643536 = 7321^2 + 6756^2 .

It is a de Polignac number, because none of the positive numbers 2^k-99240577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99240587) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 171408 + ... + 171985.

Almost surely, 2^99240577 is an apocalyptic number.

It is an amenable number.

99240577 is a deficient number, since it is larger than the sum of its proper divisors (6181381).

99240577 is a wasteful number, since it uses less digits than its factorization.

99240577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343427 (or 343410 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 99240577 is about 9961.9564845466. The cubic root of 99240577 is about 462.9809199625.

The spelling of 99240577 in words is "ninety-nine million, two hundred forty thousand, five hundred seventy-seven".