428082430986 has 96 divisors (see below), whose sum is σ = 1071303787008. Its totient is φ = 121007416320.

The previous prime is 428082430967. The next prime is 428082431017. The reversal of 428082430986 is 689034280824.

428082430986 is a `hidden beast` number, since 42 + 8 + 0 + 82 + 430 + 98 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69796776 + ... + 69802908.

It is an arithmetic number, because the mean of its divisors is an integer number (11159414448).

Almost surely, 2^428082430986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428082430986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (535651893504).

428082430986 is an abundant number, since it is smaller than the sum of its proper divisors (643221356022).

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

428082430986 is a wasteful number, since it uses less digits than its factorization.

428082430986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11956 (or 11953 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 54.

The spelling of 428082430986 in words is "four hundred twenty-eight billion, eighty-two million, four hundred thirty thousand, nine hundred eighty-six".