97028757 has 24 divisors (see below), whose sum is σ = 160665024. Its totient is φ = 55275264.

The previous prime is 97028731. The next prime is 97028759. The reversal of 97028757 is 75782079.

It is not a de Polignac number, because 97028757 - 2⁷ = 97028629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97028759) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20058 + ... + 24420.

It is an arithmetic number, because the mean of its divisors is an integer number (6694376).

Almost surely, 2^97028757 is an apocalyptic number.

It is an amenable number.

97028757 is a deficient number, since it is larger than the sum of its proper divisors (63636267).

97028757 is a wasteful number, since it uses less digits than its factorization.

97028757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4729 (or 4726 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 45.

The square root of 97028757 is about 9850.3176090926. The cubic root of 97028757 is about 459.5154901686.

The spelling of 97028757 in words is "ninety-seven million, twenty-eight thousand, seven hundred fifty-seven".