97081299 has 36 divisors (see below), whose sum is σ = 168770160. Its totient is φ = 53555040.

The previous prime is 97081291. The next prime is 97081331. The reversal of 97081299 is 99218079.

It is not a de Polignac number, because 97081299 - 2³ = 97081291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97081291) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8994 + ... + 16584.

It is an arithmetic number, because the mean of its divisors is an integer number (4688060).

Almost surely, 2^97081299 is an apocalyptic number.

97081299 is a deficient number, since it is larger than the sum of its proper divisors (71688861).

97081299 is a wasteful number, since it uses less digits than its factorization.

97081299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7640 (or 7630 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The square root of 97081299 is about 9852.9842687381. The cubic root of 97081299 is about 459.5984192125.

The spelling of 97081299 in words is "ninety-seven million, eighty-one thousand, two hundred ninety-nine".