97217552263 has 32 divisors (see below), whose sum is σ = 114460559360. Its totient is φ = 81767905920.

The previous prime is 97217552203. The next prime is 97217552291. The reversal of 97217552263 is 36225571279.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97217552263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97217552203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1209145 + ... + 1287037.

It is an arithmetic number, because the mean of its divisors is an integer number (3576892480).

Almost surely, 2^97217552263 is an apocalyptic number.

97217552263 is a deficient number, since it is larger than the sum of its proper divisors (17243007097).

97217552263 is a wasteful number, since it uses less digits than its factorization.

97217552263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78119.

The product of its digits is 1587600, while the sum is 49.

The spelling of 97217552263 in words is "ninety-seven billion, two hundred seventeen million, five hundred fifty-two thousand, two hundred sixty-three".