869539674 has 16 divisors (see below), whose sum is σ = 1830610080. Its totient is φ = 274591440.

The previous prime is 869539669. The next prime is 869539709. The reversal of 869539674 is 476935968.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3813657 + ... + 3813884.

It is an arithmetic number, because the mean of its divisors is an integer number (114413130).

Almost surely, 2^869539674 is an apocalyptic number.

869539674 is an abundant number, since it is smaller than the sum of its proper divisors (961070406).

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

869539674 is a wasteful number, since it uses less digits than its factorization.

869539674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7627565.

The product of its digits is 9797760, while the sum is 57.

The square root of 869539674 is about 29487.9581185270. The cubic root of 869539674 is about 954.4718712175.

The spelling of 869539674 in words is "eight hundred sixty-nine million, five hundred thirty-nine thousand, six hundred seventy-four".