97716227 has 4 divisors (see below), whose sum is σ = 111675696. Its totient is φ = 83756760.

The previous prime is 97716193. The next prime is 97716233. The reversal of 97716227 is 72261779.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97716227 - 2²⁴ = 80939011 is a prime.

It is a super-3 number, since 3×97716227³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97716257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6979724 + ... + 6979737.

It is an arithmetic number, because the mean of its divisors is an integer number (27918924).

Almost surely, 2^97716227 is an apocalyptic number.

97716227 is a deficient number, since it is larger than the sum of its proper divisors (13959469).

97716227 is a wasteful number, since it uses less digits than its factorization.

97716227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13959468.

The product of its digits is 74088, while the sum is 41.

The square root of 97716227 is about 9885.1518450654. The cubic root of 97716227 is about 460.5981930902.

The spelling of 97716227 in words is "ninety-seven million, seven hundred sixteen thousand, two hundred twenty-seven".