87686807 has 8 divisors (see below), whose sum is σ = 97688640. Its totient is φ = 78150240.

The previous prime is 87686791. The next prime is 87686831. The reversal of 87686807 is 70868678.

It is a happy number.

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 87686807 - 2⁴ = 87686791 is a prime.

It is a super-2 number, since 2×87686807² = 15377952243710498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87682807) 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, 115919 + ... + 116672.

It is an arithmetic number, because the mean of its divisors is an integer number (12211080).

Almost surely, 2^87686807 is an apocalyptic number.

87686807 is a deficient number, since it is larger than the sum of its proper divisors (10001833).

87686807 is a wasteful number, since it uses less digits than its factorization.

87686807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232633.

The product of its (nonzero) digits is 903168, while the sum is 50.

The square root of 87686807 is about 9364.1233973074. The cubic root of 87686807 is about 444.2677128415.

The spelling of 87686807 in words is "eighty-seven million, six hundred eighty-six thousand, eight hundred seven".