97759828 has 6 divisors (see below), whose sum is σ = 171079706. Its totient is φ = 48879912.

The previous prime is 97759817. The next prime is 97759853. The reversal of 97759828 is 82895779.

It can be written as a sum of positive squares in only one way, i.e., 76947984 + 20811844 = 8772^2 + 4562^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12219975 + ... + 12219982.

Almost surely, 2^97759828 is an apocalyptic number.

It is an amenable number.

97759828 is a deficient number, since it is larger than the sum of its proper divisors (73319878).

97759828 is a wasteful number, since it uses less digits than its factorization.

97759828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24439961 (or 24439959 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 55.

The square root of 97759828 is about 9887.3569774738. The cubic root of 97759828 is about 460.6666892388. Note that the first 4 decimals are identical.

The spelling of 97759828 in words is "ninety-seven million, seven hundred fifty-nine thousand, eight hundred twenty-eight".