428875672996 has 9 divisors (see below), whose sum is σ = 750534719851. Its totient is φ = 214437181612.

The previous prime is 428875672933. The next prime is 428875672997. The reversal of 428875672996 is 699276578824.

The square root of 428875672996 is 654886.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428875672997) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1146051 + ... + 1473493.

Almost surely, 2^428875672996 is an apocalyptic number.

428875672996 is the 654886-th square number.

It is an amenable number.

428875672996 is a deficient number, since it is larger than the sum of its proper divisors (321659046855).

428875672996 is an frugal number, since it uses more digits than its factorization.

428875672996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654890 (or 327445 counting only the distinct ones).

The product of its digits is 731566080, while the sum is 73.

The spelling of 428875672996 in words is "four hundred twenty-eight billion, eight hundred seventy-five million, six hundred seventy-two thousand, nine hundred ninety-six".