428976664498 has 8 divisors (see below), whose sum is σ = 671441735808. Its totient is φ = 205162752564.

The previous prime is 428976664483. The next prime is 428976664549. The reversal of 428976664498 is 894466679824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 428976664498.

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, 4662789786 + ... + 4662789877.

It is an arithmetic number, because the mean of its divisors is an integer number (83930216976).

Almost surely, 2^428976664498 is an apocalyptic number.

428976664498 is a deficient number, since it is larger than the sum of its proper divisors (242465071310).

428976664498 is a wasteful number, since it uses less digits than its factorization.

428976664498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9325579688.

The product of its digits is 1003290624, while the sum is 73.

The spelling of 428976664498 in words is "four hundred twenty-eight billion, nine hundred seventy-six million, six hundred sixty-four thousand, four hundred ninety-eight".