869727456 has 240 divisors, whose sum is σ = 2812338144. Its totient is φ = 262020096.

The previous prime is 869727421. The next prime is 869727473. The reversal of 869727456 is 654727968.

869727456 is a `hidden beast` number, since 86 + 97 + 27 + 456 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1785645 + ... + 1786131.

Almost surely, 2^869727456 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 869727456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1406169072).

869727456 is an abundant number, since it is smaller than the sum of its proper divisors (1942610688).

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

869727456 is a wasteful number, since it uses less digits than its factorization.

869727456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 558 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The square root of 869727456 is about 29491.1419921305. The cubic root of 869727456 is about 954.5405741346.

The spelling of 869727456 in words is "eight hundred sixty-nine million, seven hundred twenty-seven thousand, four hundred fifty-six".