86897606656 has 225 divisors, whose sum is σ = 207148288319. Its totient is φ = 36449452032.

The previous prime is 86897606651. The next prime is 86897606671. The reversal of 86897606656 is 65660679868.

The square root of 86897606656 is 294784.

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

It is a junction number, because it is equal to n+sod(n) for n = 86897606591 and 86897606600.

It is not an unprimeable number, because it can be changed into a prime (86897606651) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1848885225 + ... + 1848885271.

Almost surely, 2^86897606656 is an apocalyptic number.

86897606656 is the 294784-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86897606656

86897606656 is an abundant number, since it is smaller than the sum of its proper divisors (120250681663).

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

86897606656 is an frugal number, since it uses more digits than its factorization.

86897606656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 67.

The spelling of 86897606656 in words is "eighty-six billion, eight hundred ninety-seven million, six hundred six thousand, six hundred fifty-six".