97100280 has 48 divisors (see below), whose sum is σ = 315577080. Its totient is φ = 25893312.

The previous prime is 97100251. The next prime is 97100299. The reversal of 97100280 is 8200179.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134502 + ... + 135221.

Almost surely, 2^97100280 is an apocalyptic number.

97100280 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

97100280 is an abundant number, since it is smaller than the sum of its proper divisors (218476800).

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

97100280 is a wasteful number, since it uses less digits than its factorization.

97100280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269740 (or 269733 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 97100280 is about 9853.9474323745. The cubic root of 97100280 is about 459.6283702921.

The spelling of 97100280 in words is "ninety-seven million, one hundred thousand, two hundred eighty".