428158014782 has 8 divisors (see below), whose sum is σ = 642316462416. Its totient is φ = 214052527312.

The previous prime is 428158014761. The next prime is 428158014797. The reversal of 428158014782 is 287410851824.

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 428158014782.

It is a congruent number.

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, 13219823 + ... + 13252170.

It is an arithmetic number, because the mean of its divisors is an integer number (80289557802).

Almost surely, 2^428158014782 is an apocalyptic number.

428158014782 is a deficient number, since it is larger than the sum of its proper divisors (214158447634).

428158014782 is a wasteful number, since it uses less digits than its factorization.

428158014782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26480082.

The product of its (nonzero) digits is 1146880, while the sum is 50.

The spelling of 428158014782 in words is "four hundred twenty-eight billion, one hundred fifty-eight million, fourteen thousand, seven hundred eighty-two".