842728758 has 16 divisors (see below), whose sum is σ = 1685762496. Its totient is φ = 280858760.

The previous prime is 842728741. The next prime is 842728771. The reversal of 842728758 is 857827248.

It is a self number, because there is not a number n which added to its sum of digits gives 842728758.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40093 + ... + 57383.

It is an arithmetic number, because the mean of its divisors is an integer number (105360156).

Almost surely, 2^842728758 is an apocalyptic number.

842728758 is an abundant number, since it is smaller than the sum of its proper divisors (843033738).

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

842728758 is a wasteful number, since it uses less digits than its factorization.

842728758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25419.

The product of its digits is 2007040, while the sum is 51.

The square root of 842728758 is about 29029.7908707590. The cubic root of 842728758 is about 944.5593937146.

The spelling of 842728758 in words is "eight hundred forty-two million, seven hundred twenty-eight thousand, seven hundred fifty-eight".