97790663 has 8 divisors (see below), whose sum is σ = 103480320. Its totient is φ = 92155320.

The previous prime is 97790659. The next prime is 97790669. The reversal of 97790663 is 36609779.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97790663 - 2² = 97790659 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 (97790669) 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, 9845 + ... + 17102.

It is an arithmetic number, because the mean of its divisors is an integer number (12935040).

Almost surely, 2^97790663 is an apocalyptic number.

97790663 is a deficient number, since it is larger than the sum of its proper divisors (5689657).

97790663 is a wasteful number, since it uses less digits than its factorization.

97790663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27157.

The product of its (nonzero) digits is 428652, while the sum is 47.

The square root of 97790663 is about 9888.9161691259. The cubic root of 97790663 is about 460.7151180071.

The spelling of 97790663 in words is "ninety-seven million, seven hundred ninety thousand, six hundred sixty-three".