97795504872 has 160 divisors (see below), whose sum is σ = 295632136800. Its totient is φ = 30025282176.

The previous prime is 97795504783. The next prime is 97795504943. The reversal of 97795504872 is 27840559779.

97795504872 is a `hidden beast` number, since 9 + 7 + 7 + 9 + 550 + 4 + 8 + 72 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3921579 + ... + 3946437.

It is an arithmetic number, because the mean of its divisors is an integer number (1847700855).

Almost surely, 2^97795504872 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 97795504872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147816068400).

97795504872 is an abundant number, since it is smaller than the sum of its proper divisors (197836631928).

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

97795504872 is a wasteful number, since it uses less digits than its factorization.

97795504872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25357 (or 25344 counting only the distinct ones).

The product of its (nonzero) digits is 44452800, while the sum is 63.

The spelling of 97795504872 in words is "ninety-seven billion, seven hundred ninety-five million, five hundred four thousand, eight hundred seventy-two".