97280000 has 140 divisors (see below), whose sum is σ = 255902460. Its totient is φ = 36864000.

The previous prime is 97279997. The next prime is 97280021. The reversal of 97280000 is 8279.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5119991 + ... + 5120009.

Almost surely, 2^97280000 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 97280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127951230).

97280000 is an abundant number, since it is smaller than the sum of its proper divisors (158622460).

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

97280000 is an frugal number, since it uses more digits than its factorization.

97280000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 26 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 97280000 is about 9863.0624047504. The cubic root of 97280000 is about 459.9117663156.

Adding to 97280000 its reverse (8279), we get a palindrome (97288279).

The spelling of 97280000 in words is "ninety-seven million, two hundred eighty thousand".