86860616 has 32 divisors (see below), whose sum is σ = 173259000. Its totient is φ = 40682496.

The previous prime is 86860607. The next prime is 86860639. The reversal of 86860616 is 61606868.

It can be written as a sum of positive squares in 4 ways, for example, as 86304100 + 556516 = 9290^2 + 746^2 .

It is a super-2 number, since 2×86860616² = 15089533223798912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29750 + ... + 32538.

Almost surely, 2^86860616 is an apocalyptic number.

It is an amenable number.

86860616 is a deficient number, since it is larger than the sum of its proper divisors (86398384).

86860616 is a wasteful number, since it uses less digits than its factorization.

86860616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3041 (or 3037 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 86860616 is about 9319.9042913541. The cubic root of 86860616 is about 442.8680007645.

The spelling of 86860616 in words is "eighty-six million, eight hundred sixty thousand, six hundred sixteen".