97028785 has 16 divisors (see below), whose sum is σ = 133422336. Its totient is φ = 66356928.

The previous prime is 97028783. The next prime is 97028917. The reversal of 97028785 is 58782079.

It is a cyclic number.

It is not a de Polignac number, because 97028785 - 2¹ = 97028783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97028783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10404 + ... + 17386.

It is an arithmetic number, because the mean of its divisors is an integer number (8338896).

Almost surely, 2^97028785 is an apocalyptic number.

It is an amenable number.

97028785 is a deficient number, since it is larger than the sum of its proper divisors (36393551).

97028785 is a wasteful number, since it uses less digits than its factorization.

97028785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7392.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 97028785 is about 9850.3190303665. The cubic root of 97028785 is about 459.5155343701.

The spelling of 97028785 in words is "ninety-seven million, twenty-eight thousand, seven hundred eighty-five".