97447936792 has 128 divisors (see below), whose sum is σ = 203479879680. Its totient is φ = 43545600000.

The previous prime is 97447936759. The next prime is 97447936799. The reversal of 97447936792 is 29763974479.

It is a super-2 number, since 2×97447936792² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97447936799) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75132688 + ... + 75133984.

It is an arithmetic number, because the mean of its divisors is an integer number (1589686560).

Almost surely, 2^97447936792 is an apocalyptic number.

It is an amenable number.

97447936792 is an abundant number, since it is smaller than the sum of its proper divisors (106031942888).

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

97447936792 is a wasteful number, since it uses less digits than its factorization.

97447936792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673 (or 1669 counting only the distinct ones).

The product of its digits is 144027072, while the sum is 67.

The spelling of 97447936792 in words is "ninety-seven billion, four hundred forty-seven million, nine hundred thirty-six thousand, seven hundred ninety-two".