99313577 has 4 divisors (see below), whose sum is σ = 108342096. Its totient is φ = 90285060.

The previous prime is 99313561. The next prime is 99313597. The reversal of 99313577 is 77531399.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77531399 = 11 ⋅7048309.

It is a cyclic number.

It is not a de Polignac number, because 99313577 - 2⁴ = 99313561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99313597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4514243 + ... + 4514264.

It is an arithmetic number, because the mean of its divisors is an integer number (27085524).

Almost surely, 2^99313577 is an apocalyptic number.

It is an amenable number.

99313577 is a deficient number, since it is larger than the sum of its proper divisors (9028519).

99313577 is a wasteful number, since it uses less digits than its factorization.

99313577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9028518.

The product of its digits is 178605, while the sum is 44.

The square root of 99313577 is about 9965.6197499202. The cubic root of 99313577 is about 463.0944129327.

The spelling of 99313577 in words is "ninety-nine million, three hundred thirteen thousand, five hundred seventy-seven".