97097566 has 8 divisors (see below), whose sum is σ = 145709784. Its totient is φ = 48527640.

The previous prime is 97097531. The next prime is 97097579. The reversal of 97097566 is 66579079.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4020 + ... + 14503.

It is an arithmetic number, because the mean of its divisors is an integer number (18213723).

Almost surely, 2^97097566 is an apocalyptic number.

97097566 is a deficient number, since it is larger than the sum of its proper divisors (48612218).

97097566 is a wasteful number, since it uses less digits than its factorization.

97097566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21146.

The product of its (nonzero) digits is 714420, while the sum is 49.

The square root of 97097566 is about 9853.8097201032. The cubic root of 97097566 is about 459.6240879734.

The spelling of 97097566 in words is "ninety-seven million, ninety-seven thousand, five hundred sixty-six".