842528782 has 4 divisors (see below), whose sum is σ = 1263793176. Its totient is φ = 421264390.

The previous prime is 842528779. The next prime is 842528809. The reversal of 842528782 is 287825248.

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

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, 210632194 + ... + 210632197.

It is an arithmetic number, because the mean of its divisors is an integer number (315948294).

Almost surely, 2^842528782 is an apocalyptic number.

842528782 is a deficient number, since it is larger than the sum of its proper divisors (421264394).

842528782 is a wasteful number, since it uses less digits than its factorization.

842528782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421264393.

The product of its digits is 573440, while the sum is 46.

The square root of 842528782 is about 29026.3463425902. The cubic root of 842528782 is about 944.4846744765.

The spelling of 842528782 in words is "eight hundred forty-two million, five hundred twenty-eight thousand, seven hundred eighty-two".