97028997 has 8 divisors (see below), whose sum is σ = 139323744. Its totient is φ = 59710128.

The previous prime is 97028993. The next prime is 97028999. The reversal of 97028997 is 79982079.

It is a happy number.

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

It is not a de Polignac number, because 97028997 - 2² = 97028993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97028993) 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, 1243923 + ... + 1244000.

It is an arithmetic number, because the mean of its divisors is an integer number (17415468).

Almost surely, 2^97028997 is an apocalyptic number.

It is an amenable number.

97028997 is a deficient number, since it is larger than the sum of its proper divisors (42294747).

97028997 is a wasteful number, since it uses less digits than its factorization.

97028997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487939.

The product of its (nonzero) digits is 571536, while the sum is 51.

The square root of 97028997 is about 9850.3297914334. The cubic root of 97028997 is about 459.5158690378.

The spelling of 97028997 in words is "ninety-seven million, twenty-eight thousand, nine hundred ninety-seven".