890261072986 has 8 divisors (see below), whose sum is σ = 1335399343200. Its totient is φ = 445127958588.

The previous prime is 890261072971. The next prime is 890261073007. The reversal of 890261072986 is 689270162098.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 890261072986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823686 + ... + 1568113.

It is an arithmetic number, because the mean of its divisors is an integer number (166924917900).

Almost surely, 2^890261072986 is an apocalyptic number.

890261072986 is a deficient number, since it is larger than the sum of its proper divisors (445138270214).

890261072986 is a wasteful number, since it uses less digits than its factorization.

890261072986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577908.

The product of its (nonzero) digits is 5225472, while the sum is 58.

The spelling of 890261072986 in words is "eight hundred ninety billion, two hundred sixty-one million, seventy-two thousand, nine hundred eighty-six".