2851773672 has 64 divisors (see below), whose sum is σ = 7825397760. Its totient is φ = 858859200.

The previous prime is 2851773653. The next prime is 2851773719. The reversal of 2851773672 is 2763771582.

It is a super-2 number, since 2×2851773672² = 16265226152624727168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9897 + ... + 76167.

It is an arithmetic number, because the mean of its divisors is an integer number (122271840).

Almost surely, 2^2851773672 is an apocalyptic number.

2851773672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2851773672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3912698880).

2851773672 is an abundant number, since it is smaller than the sum of its proper divisors (4973624088).

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

2851773672 is a wasteful number, since it uses less digits than its factorization.

2851773672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66454 (or 66450 counting only the distinct ones).

The product of its digits is 987840, while the sum is 48.

The square root of 2851773672 is about 53402.0006366803. Note that the first 3 decimals coincide. The cubic root of 2851773672 is about 1418.0939963936.

The spelling of 2851773672 in words is "two billion, eight hundred fifty-one million, seven hundred seventy-three thousand, six hundred seventy-two".