89870446656 has 63 divisors (see below), whose sum is σ = 257618033023. Its totient is φ = 29954417280.

The previous prime is 89870446649. The next prime is 89870446663. The reversal of 89870446656 is 65664407898.

The square root of 89870446656 is 299784.

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

It is an interprime number because it is at equal distance from previous prime (89870446649) and next prime (89870446663).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89870446593 and 89870446602.

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, 7188571 + ... + 7201061.

Almost surely, 2^89870446656 is an apocalyptic number.

89870446656 is the 299784-th square number.

It is an amenable number.

89870446656 is an abundant number, since it is smaller than the sum of its proper divisors (167747586367).

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

89870446656 is an frugal number, since it uses more digits than its factorization.

89870446656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25000 (or 12496 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 63.

It can be divided in two parts, 898704 and 46656, that multiplied together give a square (41929933824 = 204768²).

The spelling of 89870446656 in words is "eighty-nine billion, eight hundred seventy million, four hundred forty-six thousand, six hundred fifty-six".