97158369 has 16 divisors (see below), whose sum is σ = 161510400. Its totient is φ = 50471760.

The previous prime is 97158361. The next prime is 97158403. The reversal of 97158369 is 96385179.

It is not a de Polignac number, because 97158369 - 2³ = 97158361 is a prime.

It is a super-2 number, since 2×97158369² = 18879497333480322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (97158361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210069 + ... + 210530.

It is an arithmetic number, because the mean of its divisors is an integer number (10094400).

Almost surely, 2^97158369 is an apocalyptic number.

It is an amenable number.

97158369 is a deficient number, since it is larger than the sum of its proper divisors (64352031).

97158369 is a wasteful number, since it uses less digits than its factorization.

97158369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420620.

The product of its digits is 408240, while the sum is 48.

The square root of 97158369 is about 9856.8944906598. The cubic root of 97158369 is about 459.7200076179.

It can be divided in two parts, 971 and 58369, that added together give a triangular number (59340 = T₃₄₄).

The spelling of 97158369 in words is "ninety-seven million, one hundred fifty-eight thousand, three hundred sixty-nine".