825466842 has 16 divisors (see below), whose sum is σ = 1834370880. Its totient is φ = 275155596.

The previous prime is 825466793. The next prime is 825466871. The reversal of 825466842 is 248664528.

825466842 is a `hidden beast` number, since 8 + 2 + 546 + 68 + 42 = 666.

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, 7643158 + ... + 7643265.

It is an arithmetic number, because the mean of its divisors is an integer number (114648180).

Almost surely, 2^825466842 is an apocalyptic number.

825466842 is an abundant number, since it is smaller than the sum of its proper divisors (1008904038).

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

825466842 is a wasteful number, since it uses less digits than its factorization.

825466842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15286434 (or 15286428 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The square root of 825466842 is about 28730.9387594628. The cubic root of 825466842 is about 938.0656017390.

The spelling of 825466842 in words is "eight hundred twenty-five million, four hundred sixty-six thousand, eight hundred forty-two".