874808784 has 60 divisors (see below), whose sum is σ = 2461012996. Its totient is φ = 290082816.

The previous prime is 874808771. The next prime is 874808789. The reversal of 874808784 is 487808478.

It is a happy number.

874808784 is a `hidden beast` number, since 8 + 7 + 480 + 87 + 84 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 392040000 + 482768784 = 19800^2 + 21972^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 874808784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874808789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12054 + ... + 43530.

Almost surely, 2^874808784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 874808784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1230506498).

874808784 is an abundant number, since it is smaller than the sum of its proper divisors (1586204212).

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

874808784 is a wasteful number, since it uses less digits than its factorization.

874808784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31684 (or 31675 counting only the distinct ones).

The product of its (nonzero) digits is 3211264, while the sum is 54.

The square root of 874808784 is about 29577.1665985774. The cubic root of 874808784 is about 956.3959133486.

The spelling of 874808784 in words is "eight hundred seventy-four million, eight hundred eight thousand, seven hundred eighty-four".