99079457 has 4 divisors (see below), whose sum is σ = 102496020. Its totient is φ = 95662896.

The previous prime is 99079447. The next prime is 99079501. The reversal of 99079457 is 75497099.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75497099 = 337 ⋅224027.

It can be written as a sum of positive squares in 2 ways, for example, as 75498721 + 23580736 = 8689^2 + 4856^2 .

It is a cyclic number.

It is not a de Polignac number, because 99079457 - 2¹⁰ = 99078433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99079427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1708238 + ... + 1708295.

It is an arithmetic number, because the mean of its divisors is an integer number (25624005).

Almost surely, 2^99079457 is an apocalyptic number.

It is an amenable number.

99079457 is a deficient number, since it is larger than the sum of its proper divisors (3416563).

99079457 is a wasteful number, since it uses less digits than its factorization.

99079457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416562.

The product of its (nonzero) digits is 714420, while the sum is 50.

The square root of 99079457 is about 9953.8664347077. The cubic root of 99079457 is about 462.7302298589.

The spelling of 99079457 in words is "ninety-nine million, seventy-nine thousand, four hundred fifty-seven".