428023347086 has 4 divisors (see below), whose sum is σ = 642035020632. Its totient is φ = 214011673542.

The previous prime is 428023347023. The next prime is 428023347097. The reversal of 428023347086 is 680743320824.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 428023347086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107005836770 + ... + 107005836773.

It is an arithmetic number, because the mean of its divisors is an integer number (160508755158).

Almost surely, 2^428023347086 is an apocalyptic number.

428023347086 is a deficient number, since it is larger than the sum of its proper divisors (214011673546).

428023347086 is a wasteful number, since it uses less digits than its factorization.

428023347086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214011673545.

The product of its (nonzero) digits is 1548288, while the sum is 47.

The spelling of 428023347086 in words is "four hundred twenty-eight billion, twenty-three million, three hundred forty-seven thousand, eighty-six".