97821125760 has 64 divisors (see below), whose sum is σ = 311804844480. Its totient is φ = 26085633024.

The previous prime is 97821125747. The next prime is 97821125771. The reversal of 97821125760 is 6752112879.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25472332 + ... + 25476171.

It is an arithmetic number, because the mean of its divisors is an integer number (4871950695).

Almost surely, 2^97821125760 is an apocalyptic number.

It is an amenable number.

97821125760 is an abundant number, since it is smaller than the sum of its proper divisors (213983718720).

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

97821125760 is a wasteful number, since it uses less digits than its factorization.

97821125760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50948525 (or 50948513 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 48.

The spelling of 97821125760 in words is "ninety-seven billion, eight hundred twenty-one million, one hundred twenty-five thousand, seven hundred sixty".