2847797172 has 36 divisors (see below), whose sum is σ = 7853017536. Its totient is φ = 862968720.

The previous prime is 2847797171. The next prime is 2847797207. The reversal of 2847797172 is 2717977482.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2847797171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3595308 + ... + 3596099.

It is an arithmetic number, because the mean of its divisors is an integer number (218139376).

Almost surely, 2^2847797172 is an apocalyptic number.

2847797172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2847797172 is an abundant number, since it is smaller than the sum of its proper divisors (5005220364).

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

2847797172 is a wasteful number, since it uses less digits than its factorization.

2847797172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7191428 (or 7191423 counting only the distinct ones).

The product of its digits is 2765952, while the sum is 54.

The square root of 2847797172 is about 53364.7558975022. The cubic root of 2847797172 is about 1417.4345618943.

The spelling of 2847797172 in words is "two billion, eight hundred forty-seven million, seven hundred ninety-seven thousand, one hundred seventy-two".