87626099 has 4 divisors (see below), whose sum is σ = 95592120. Its totient is φ = 79660080.

The previous prime is 87626087. The next prime is 87626137. The reversal of 87626099 is 99062678.

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 87626099 - 2⁴ = 87626083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87626009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3982994 + ... + 3983015.

It is an arithmetic number, because the mean of its divisors is an integer number (23898030).

Almost surely, 2^87626099 is an apocalyptic number.

87626099 is a deficient number, since it is larger than the sum of its proper divisors (7966021).

87626099 is a wasteful number, since it uses less digits than its factorization.

87626099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7966020.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 87626099 is about 9360.8813153463. The cubic root of 87626099 is about 444.1651628996.

The spelling of 87626099 in words is "eighty-seven million, six hundred twenty-six thousand, ninety-nine".