897883281790 has 48 divisors (see below), whose sum is σ = 1776828619440. Its totient is φ = 326437689600.

The previous prime is 897883281781. The next prime is 897883281791. The reversal of 897883281790 is 97182388798.

It is a super-4 number, since 4×897883281790⁴ (a number of 49 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897883281791) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 6194950 + ... + 6338230.

It is an arithmetic number, because the mean of its divisors is an integer number (37017262905).

Almost surely, 2^897883281790 is an apocalyptic number.

897883281790 is a deficient number, since it is larger than the sum of its proper divisors (878945337650).

897883281790 is a wasteful number, since it uses less digits than its factorization.

897883281790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148489 (or 148478 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 70.

The spelling of 897883281790 in words is "eight hundred ninety-seven billion, eight hundred eighty-three million, two hundred eighty-one thousand, seven hundred ninety".