428766864736 has 24 divisors (see below), whose sum is σ = 964725446160. Its totient is φ = 183757227648.

The previous prime is 428766864689. The next prime is 428766864763. The reversal of 428766864736 is 637468667824.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957068671 + ... + 957069118.

It is an arithmetic number, because the mean of its divisors is an integer number (40196893590).

Almost surely, 2^428766864736 is an apocalyptic number.

It is an amenable number.

428766864736 is an abundant number, since it is smaller than the sum of its proper divisors (535958581424).

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

428766864736 is a wasteful number, since it uses less digits than its factorization.

428766864736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914137806 (or 1914137798 counting only the distinct ones).

The product of its digits is 390168576, while the sum is 67.

The spelling of 428766864736 in words is "four hundred twenty-eight billion, seven hundred sixty-six million, eight hundred sixty-four thousand, seven hundred thirty-six".