428508228086 has 8 divisors (see below), whose sum is σ = 680571891720. Its totient is φ = 201650930848.

The previous prime is 428508228079. The next prime is 428508228089. The reversal of 428508228086 is 680822805824.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428508228089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6301591556 + ... + 6301591623.

It is an arithmetic number, because the mean of its divisors is an integer number (85071486465).

Almost surely, 2^428508228086 is an apocalyptic number.

428508228086 is a deficient number, since it is larger than the sum of its proper divisors (252063663634).

428508228086 is a wasteful number, since it uses less digits than its factorization.

428508228086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12603183198.

The product of its (nonzero) digits is 3932160, while the sum is 53.

The spelling of 428508228086 in words is "four hundred twenty-eight billion, five hundred eight million, two hundred twenty-eight thousand, eighty-six".