811469568 has 288 divisors, whose sum is σ = 2818561536. Its totient is φ = 201129984.

The previous prime is 811469567. The next prime is 811469573. The reversal of 811469568 is 865964118.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (811469567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1187755 + ... + 1188437.

It is an arithmetic number, because the mean of its divisors is an integer number (9786672).

Almost surely, 2^811469568 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 811469568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1409280768).

811469568 is an abundant number, since it is smaller than the sum of its proper divisors (2007091968).

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

811469568 is a wasteful number, since it uses less digits than its factorization.

811469568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739 (or 725 counting only the distinct ones).

The product of its digits is 414720, while the sum is 48.

The square root of 811469568 is about 28486.3049200840. The cubic root of 811469568 is about 932.7331506415.

The spelling of 811469568 in words is "eight hundred eleven million, four hundred sixty-nine thousand, five hundred sixty-eight".