97217976 has 32 divisors (see below), whose sum is σ = 251427600. Its totient is φ = 31288320.

The previous prime is 97217963. The next prime is 97217977. The reversal of 97217976 is 67971279.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97217977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69145 + ... + 70536.

Almost surely, 2^97217976 is an apocalyptic number.

It is an amenable number.

97217976 is an abundant number, since it is smaller than the sum of its proper divisors (154209624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97217976 is a wasteful number, since it uses less digits than its factorization.

97217976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139719 (or 139715 counting only the distinct ones).

The product of its digits is 333396, while the sum is 48.

The square root of 97217976 is about 9859.9176467149. The cubic root of 97217976 is about 459.8140016774.

The spelling of 97217976 in words is "ninety-seven million, two hundred seventeen thousand, nine hundred seventy-six".