87697086 has 32 divisors (see below), whose sum is σ = 179687808. Its totient is φ = 28523040.

The previous prime is 87697061. The next prime is 87697121. The reversal of 87697086 is 68079678.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66445 + ... + 67751.

It is an arithmetic number, because the mean of its divisors is an integer number (5615244).

Almost surely, 2^87697086 is an apocalyptic number.

87697086 is an abundant number, since it is smaller than the sum of its proper divisors (91990722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87697086 is a wasteful number, since it uses less digits than its factorization.

87697086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 87697086 is about 9364.6722313170. The cubic root of 87697086 is about 444.2850717789.

The spelling of 87697086 in words is "eighty-seven million, six hundred ninety-seven thousand, eighty-six".