2785329672 has 16 divisors (see below), whose sum is σ = 6963324240. Its totient is φ = 928443216.

The previous prime is 2785329649. The next prime is 2785329709. The reversal of 2785329672 is 2769235872.

It is a super-2 number, since 2×2785329672² = 15516122763447255168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58027678 + ... + 58027725.

It is an arithmetic number, because the mean of its divisors is an integer number (435207765).

Almost surely, 2^2785329672 is an apocalyptic number.

It is an amenable number.

2785329672 is an abundant number, since it is smaller than the sum of its proper divisors (4177994568).

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

2785329672 is a wasteful number, since it uses less digits than its factorization.

2785329672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116055412 (or 116055408 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 51.

The square root of 2785329672 is about 52776.2226007129. Note that the first 3 decimals coincide. The cubic root of 2785329672 is about 1406.9938589856.

The spelling of 2785329672 in words is "two billion, seven hundred eighty-five million, three hundred twenty-nine thousand, six hundred seventy-two".