756864894 has 16 divisors (see below), whose sum is σ = 1522095120. Its totient is φ = 250894080.

The previous prime is 756864893. The next prime is 756864929. The reversal of 756864894 is 498468657.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (756864893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347379 + ... + 349550.

It is an arithmetic number, because the mean of its divisors is an integer number (95130945).

Almost surely, 2^756864894 is an apocalyptic number.

756864894 is an abundant number, since it is smaller than the sum of its proper divisors (765230226).

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

756864894 is a wasteful number, since it uses less digits than its factorization.

756864894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697115.

The product of its digits is 11612160, while the sum is 57.

The square root of 756864894 is about 27511.1776192878. The cubic root of 756864894 is about 911.3239569962.

The spelling of 756864894 in words is "seven hundred fifty-six million, eight hundred sixty-four thousand, eight hundred ninety-four".