97566648 has 32 divisors (see below), whose sum is σ = 248054400. Its totient is φ = 31970528.

The previous prime is 97566629. The next prime is 97566649. The reversal of 97566648 is 84666579.

It is a self number, because there is not a number n which added to its sum of digits gives 97566648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97566649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33036 + ... + 35867.

It is an arithmetic number, because the mean of its divisors is an integer number (7751700).

Almost surely, 2^97566648 is an apocalyptic number.

It is an amenable number.

97566648 is an abundant number, since it is smaller than the sum of its proper divisors (150487752).

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

97566648 is a wasteful number, since it uses less digits than its factorization.

97566648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68971 (or 68967 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 97566648 is about 9877.5831051933. The cubic root of 97566648 is about 460.3630530211.

It can be divided in two parts, 9 and 7566648, that added together give a palindrome (7566657).

The spelling of 97566648 in words is "ninety-seven million, five hundred sixty-six thousand, six hundred forty-eight".