425891764 has 48 divisors (see below), whose sum is σ = 829785600. Its totient is φ = 190425600.

The previous prime is 425891761. The next prime is 425891771. The reversal of 425891764 is 467198524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425891761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94392 + ... + 98800.

It is an arithmetic number, because the mean of its divisors is an integer number (17287200).

Almost surely, 2^425891764 is an apocalyptic number.

It is an amenable number.

425891764 is a deficient number, since it is larger than the sum of its proper divisors (403893836).

425891764 is a wasteful number, since it uses less digits than its factorization.

425891764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4504 (or 4502 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 425891764 is about 20637.1452483138. The cubic root of 425891764 is about 752.3727898339.

The spelling of 425891764 in words is "four hundred twenty-five million, eight hundred ninety-one thousand, seven hundred sixty-four".