97750656 has 96 divisors (see below), whose sum is σ = 286774020. Its totient is φ = 31948800.

The previous prime is 97750613. The next prime is 97750691. The reversal of 97750656 is 65605779.

It is a happy number.

97750656 is a `hidden beast` number, since 97 + 7 + 506 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 76737600 + 21013056 = 8760^2 + 4584^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60256 + ... + 61856.

Almost surely, 2^97750656 is an apocalyptic number.

97750656 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97750656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143387010).

97750656 is an abundant number, since it is smaller than the sum of its proper divisors (189023364).

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

97750656 is a wasteful number, since it uses less digits than its factorization.

97750656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674 (or 1659 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 45.

The square root of 97750656 is about 9886.8931419329. The cubic root of 97750656 is about 460.6522819337.

It can be divided in two parts, 9 and 7750656, that multiplied together give a square (69755904 = 8352²).

The spelling of 97750656 in words is "ninety-seven million, seven hundred fifty thousand, six hundred fifty-six".