99577087 has 4 divisors (see below), whose sum is σ = 99706680. Its totient is φ = 99447496.

The previous prime is 99577063. The next prime is 99577091. The reversal of 99577087 is 78077599.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99577087 - 2¹¹ = 99575039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99577187) 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, 63637 + ... + 65182.

It is an arithmetic number, because the mean of its divisors is an integer number (24926670).

Almost surely, 2^99577087 is an apocalyptic number.

99577087 is a deficient number, since it is larger than the sum of its proper divisors (129593).

99577087 is a wasteful number, since it uses less digits than its factorization.

99577087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129592.

The product of its (nonzero) digits is 1111320, while the sum is 52.

The square root of 99577087 is about 9978.8319456738. The cubic root of 99577087 is about 463.5036293537.

The spelling of 99577087 in words is "ninety-nine million, five hundred seventy-seven thousand, eighty-seven".