97665300 has 54 divisors (see below), whose sum is σ = 306129278. Its totient is φ = 26043840.

The previous prime is 97665277. The next prime is 97665317. The reversal of 97665300 is 356679.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 16016004 + 81649296 = 4002^2 + 9036^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 53359 + ... + 55158.

Almost surely, 2^97665300 is an apocalyptic number.

97665300 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

97665300 is an abundant number, since it is smaller than the sum of its proper divisors (208463978).

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

97665300 is a wasteful number, since it uses less digits than its factorization.

97665300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108537 (or 108527 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 97665300 is about 9882.5755752233. The cubic root of 97665300 is about 460.5181621643.

The spelling of 97665300 in words is "ninety-seven million, six hundred sixty-five thousand, three hundred".