847031042 has 48 divisors (see below), whose sum is σ = 1549497600. Its totient is φ = 343886400.

The previous prime is 847031033. The next prime is 847031083. The reversal of 847031042 is 240130748.

It is a super-2 number, since 2×847031042² = 1434923172223211528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 847030996 and 847031014.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111584 + ... + 118932.

It is an arithmetic number, because the mean of its divisors is an integer number (32281200).

Almost surely, 2^847031042 is an apocalyptic number.

847031042 is a deficient number, since it is larger than the sum of its proper divisors (702466558).

847031042 is a wasteful number, since it uses less digits than its factorization.

847031042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7419 (or 7406 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 847031042 is about 29103.7977246957. The cubic root of 847031042 is about 946.1640487745.

The spelling of 847031042 in words is "eight hundred forty-seven million, thirty-one thousand, forty-two".