897428085 has 8 divisors (see below), whose sum is σ = 1435884960. Its totient is φ = 478628304.

The previous prime is 897428039. The next prime is 897428093. The reversal of 897428085 is 580824798.

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 897428085 - 2⁷ = 897427957 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29914255 + ... + 29914284.

It is an arithmetic number, because the mean of its divisors is an integer number (179485620).

Almost surely, 2^897428085 is an apocalyptic number.

It is an amenable number.

897428085 is a deficient number, since it is larger than the sum of its proper divisors (538456875).

897428085 is a wasteful number, since it uses less digits than its factorization.

897428085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59828547.

The product of its (nonzero) digits is 1290240, while the sum is 51.

The square root of 897428085 is about 29957.1040823375. The cubic root of 897428085 is about 964.5688195125.

The spelling of 897428085 in words is "eight hundred ninety-seven million, four hundred twenty-eight thousand, eighty-five".