97072331280 has 80 divisors (see below), whose sum is σ = 304549882560. Its totient is φ = 25574070784.

The previous prime is 97072331249. The next prime is 97072331341. The reversal of 97072331280 is 8213327079.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2416635 + ... + 2456474.

It is an arithmetic number, because the mean of its divisors is an integer number (3806873532).

Almost surely, 2^97072331280 is an apocalyptic number.

It is an amenable number.

97072331280 is an abundant number, since it is smaller than the sum of its proper divisors (207477551280).

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

97072331280 is a wasteful number, since it uses less digits than its factorization.

97072331280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4873208 (or 4873202 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 97072331280 in words is "ninety-seven billion, seventy-two million, three hundred thirty-one thousand, two hundred eighty".