87887099 has 4 divisors (see below), whose sum is σ = 90262464. Its totient is φ = 85511736.

The previous prime is 87887089. The next prime is 87887101. The reversal of 87887099 is 99078878.

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

It is not a de Polignac number, because 87887099 - 2⁴ = 87887083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87887089) 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, 1187627 + ... + 1187700.

It is an arithmetic number, because the mean of its divisors is an integer number (22565616).

Almost surely, 2^87887099 is an apocalyptic number.

87887099 is a deficient number, since it is larger than the sum of its proper divisors (2375365).

87887099 is a wasteful number, since it uses less digits than its factorization.

87887099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375364.

The product of its (nonzero) digits is 2032128, while the sum is 56.

The square root of 87887099 is about 9374.8119447805. The cubic root of 87887099 is about 444.6057173316.

The spelling of 87887099 in words is "eighty-seven million, eight hundred eighty-seven thousand, ninety-nine".