890688344574 has 64 divisors (see below), whose sum is σ = 2087082049536. Its totient is φ = 248120694624.

The previous prime is 890688344543. The next prime is 890688344599. The reversal of 890688344574 is 475443886098.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 338652 + ... + 1376975.

It is an arithmetic number, because the mean of its divisors is an integer number (32610657024).

Almost surely, 2^890688344574 is an apocalyptic number.

890688344574 is an abundant number, since it is smaller than the sum of its proper divisors (1196393704962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

890688344574 is a wasteful number, since it uses less digits than its factorization.

890688344574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715949.

The product of its (nonzero) digits is 185794560, while the sum is 66.

The spelling of 890688344574 in words is "eight hundred ninety billion, six hundred eighty-eight million, three hundred forty-four thousand, five hundred seventy-four".