85687610 has 8 divisors (see below), whose sum is σ = 154237716. Its totient is φ = 34275040.

The previous prime is 85687607. The next prime is 85687621. The reversal of 85687610 is 1678658.

It can be written as a sum of positive squares in 2 ways, for example, as 72777961 + 12909649 = 8531^2 + 3593^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4284371 + ... + 4284390.

Almost surely, 2^85687610 is an apocalyptic number.

85687610 is a deficient number, since it is larger than the sum of its proper divisors (68550106).

85687610 is a wasteful number, since it uses less digits than its factorization.

85687610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8568768.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 85687610 is about 9256.7602323923. The cubic root of 85687610 is about 440.8653939310.

The spelling of 85687610 in words is "eighty-five million, six hundred eighty-seven thousand, six hundred ten".