87702087 has 16 divisors (see below), whose sum is σ = 129185280. Its totient is φ = 52478400.

The previous prime is 87702077. The next prime is 87702089. The reversal of 87702087 is 78020778.

It is not a de Polignac number, because 87702087 - 2⁴ = 87702071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87702089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14214 + ... + 19427.

It is an arithmetic number, because the mean of its divisors is an integer number (8074080).

Almost surely, 2^87702087 is an apocalyptic number.

87702087 is a deficient number, since it is larger than the sum of its proper divisors (41483193).

87702087 is a wasteful number, since it uses less digits than its factorization.

87702087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33734.

The product of its (nonzero) digits is 43904, while the sum is 39.

The square root of 87702087 is about 9364.9392416609. The cubic root of 87702087 is about 444.2935168615.

The spelling of 87702087 in words is "eighty-seven million, seven hundred two thousand, eighty-seven".