97561748480 has 88 divisors (see below), whose sum is σ = 267467373888. Its totient is φ = 33449730048.

The previous prime is 97561748461. The next prime is 97561748483. The reversal of 97561748480 is 8484716579.

It is not an unprimeable number, because it can be changed into a prime (97561748483) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1325234 + ... + 1396913.

It is an arithmetic number, because the mean of its divisors is an integer number (3039401976).

Almost surely, 2^97561748480 is an apocalyptic number.

It is an amenable number.

97561748480 is an abundant number, since it is smaller than the sum of its proper divisors (169905625408).

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

97561748480 is a wasteful number, since it uses less digits than its factorization.

97561748480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722179 (or 2722161 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 59.

The spelling of 97561748480 in words is "ninety-seven billion, five hundred sixty-one million, seven hundred forty-eight thousand, four hundred eighty".