97537656 has 48 divisors (see below), whose sum is σ = 252023400. Its totient is φ = 31456320.

The previous prime is 97537639. The next prime is 97537667. The reversal of 97537656 is 65673579.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20950 + ... + 25178.

Almost surely, 2^97537656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97537656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126011700).

97537656 is an abundant number, since it is smaller than the sum of its proper divisors (154485744).

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

97537656 is a wasteful number, since it uses less digits than its factorization.

97537656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300 (or 4265 counting only the distinct ones).

The product of its digits is 1190700, while the sum is 48.

The square root of 97537656 is about 9876.1154306741. The cubic root of 97537656 is about 460.3174494324.

The spelling of 97537656 in words is "ninety-seven million, five hundred thirty-seven thousand, six hundred fifty-six".