897986835 has 48 divisors (see below), whose sum is σ = 1734838560. Its totient is φ = 427023360.

The previous prime is 897986833. The next prime is 897986839. The reversal of 897986835 is 538689798.

It is not a de Polignac number, because 897986835 - 2¹ = 897986833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (897986833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16356 + ... + 45425.

It is an arithmetic number, because the mean of its divisors is an integer number (36142470).

Almost surely, 2^897986835 is an apocalyptic number.

897986835 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

897986835 is a deficient number, since it is larger than the sum of its proper divisors (836851725).

897986835 is a wasteful number, since it uses less digits than its factorization.

897986835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61828 (or 61825 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The square root of 897986835 is about 29966.4284658683. The cubic root of 897986835 is about 964.7689622027.

The spelling of 897986835 in words is "eight hundred ninety-seven million, nine hundred eighty-six thousand, eight hundred thirty-five".