97266280 has 16 divisors (see below), whose sum is σ = 218849220. Its totient is φ = 38906496.

The previous prime is 97266271. The next prime is 97266283. The reversal of 97266280 is 8266279.

It can be written as a sum of positive squares in 2 ways, for example, as 95140516 + 2125764 = 9754^2 + 1458^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 2431657 = 97266280 / (9 + 7 + 2 + 6 + 6 + 2 + 8 + 0).

It is not an unprimeable number, because it can be changed into a prime (97266283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1215789 + ... + 1215868.

Almost surely, 2^97266280 is an apocalyptic number.

It is an amenable number.

97266280 is an abundant number, since it is smaller than the sum of its proper divisors (121582940).

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

97266280 is a wasteful number, since it uses less digits than its factorization.

97266280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431668 (or 2431664 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 97266280 is about 9862.3668558820. The cubic root of 97266280 is about 459.8901438988.

The spelling of 97266280 in words is "ninety-seven million, two hundred sixty-six thousand, two hundred eighty".