97157267 has 4 divisors (see below), whose sum is σ = 101381520. Its totient is φ = 92933016.

The previous prime is 97157257. The next prime is 97157273. The reversal of 97157267 is 76275179.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76275179 = 419 ⋅182041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97157267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97157257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2112092 + ... + 2112137.

It is an arithmetic number, because the mean of its divisors is an integer number (25345380).

Almost surely, 2^97157267 is an apocalyptic number.

97157267 is a deficient number, since it is larger than the sum of its proper divisors (4224253).

97157267 is a wasteful number, since it uses less digits than its factorization.

97157267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224252.

The product of its digits is 185220, while the sum is 44.

The square root of 97157267 is about 9856.8385905421. The cubic root of 97157267 is about 459.7182695162.

The spelling of 97157267 in words is "ninety-seven million, one hundred fifty-seven thousand, two hundred sixty-seven".