86555993616 has 45 divisors (see below), whose sum is σ = 242246446221. Its totient is φ = 28850821056.

The previous prime is 86555993539. The next prime is 86555993669. The reversal of 86555993616 is 61639955568.

The square root of 86555993616 is 294204.

It is a perfect power (a square), and thus also a powerful number.

86555993616 is a `hidden beast` number, since 8 + 6 + 5 + 5 + 5 + 9 + 9 + 3 + 616 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18697827600 + 67858166016 = 136740^2 + 260496^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3518190 + ... + 3542706.

Almost surely, 2^86555993616 is an apocalyptic number.

86555993616 is the 294204-th square number.

It is an amenable number.

86555993616 is an abundant number, since it is smaller than the sum of its proper divisors (155690452605).

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

86555993616 is an frugal number, since it uses more digits than its factorization.

86555993616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49048 (or 24522 counting only the distinct ones).

The product of its digits is 52488000, while the sum is 63.

The spelling of 86555993616 in words is "eighty-six billion, five hundred fifty-five million, nine hundred ninety-three thousand, six hundred sixteen".