87865707 has 8 divisors (see below), whose sum is σ = 124045776. Its totient is φ = 55131392.

The previous prime is 87865693. The next prime is 87865711. The reversal of 87865707 is 70756878.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87865707 - 2⁷ = 87865579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87865777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861378 + ... + 861479.

It is an arithmetic number, because the mean of its divisors is an integer number (15505722).

Almost surely, 2^87865707 is an apocalyptic number.

87865707 is a deficient number, since it is larger than the sum of its proper divisors (36180069).

87865707 is a wasteful number, since it uses less digits than its factorization.

87865707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722877.

The product of its (nonzero) digits is 658560, while the sum is 48.

The square root of 87865707 is about 9373.6709457928. The cubic root of 87865707 is about 444.5696415883.

The spelling of 87865707 in words is "eighty-seven million, eight hundred sixty-five thousand, seven hundred seven".