97280780 has 12 divisors (see below), whose sum is σ = 204289680. Its totient is φ = 38912304.

The previous prime is 97280773. The next prime is 97280791. The reversal of 97280780 is 8708279.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2432000 + ... + 2432039.

It is an arithmetic number, because the mean of its divisors is an integer number (17024140).

Almost surely, 2^97280780 is an apocalyptic number.

It is an amenable number.

97280780 is an abundant number, since it is smaller than the sum of its proper divisors (107008900).

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

97280780 is a wasteful number, since it uses less digits than its factorization.

97280780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4864048 (or 4864046 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 97280780 is about 9863.1019461425. The cubic root of 97280780 is about 459.9129955173.

The spelling of 97280780 in words is "ninety-seven million, two hundred eighty thousand, seven hundred eighty".