97897415 has 16 divisors (see below), whose sum is σ = 146465280. Its totient is φ = 61026720.

The previous prime is 97897391. The next prime is 97897447. The reversal of 97897415 is 51479879.

It is not a de Polignac number, because 97897415 - 2⁶ = 97897351 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126755 + ... + 127524.

It is an arithmetic number, because the mean of its divisors is an integer number (9154080).

Almost surely, 2^97897415 is an apocalyptic number.

97897415 is a deficient number, since it is larger than the sum of its proper divisors (48567865).

97897415 is a wasteful number, since it uses less digits than its factorization.

97897415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254302.

The product of its digits is 635040, while the sum is 50.

The square root of 97897415 is about 9894.3122550281. The cubic root of 97897415 is about 460.8827017457.

The spelling of 97897415 in words is "ninety-seven million, eight hundred ninety-seven thousand, four hundred fifteen".