873489774 has 32 divisors (see below), whose sum is σ = 1855226880. Its totient is φ = 273393792.

The previous prime is 873489769. The next prime is 873489811. The reversal of 873489774 is 477984378.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 21022 + ... + 46785.

It is an arithmetic number, because the mean of its divisors is an integer number (57975840).

Almost surely, 2^873489774 is an apocalyptic number.

873489774 is an abundant number, since it is smaller than the sum of its proper divisors (981737106).

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

873489774 is a wasteful number, since it uses less digits than its factorization.

873489774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67944.

The product of its digits is 9483264, while the sum is 57.

The square root of 873489774 is about 29554.8604124601. The cubic root of 873489774 is about 955.9149967021.

The spelling of 873489774 in words is "eight hundred seventy-three million, four hundred eighty-nine thousand, seven hundred seventy-four".