2881772910 has 64 divisors (see below), whose sum is σ = 7727788800. Its totient is φ = 764166816.

The previous prime is 2881772897. The next prime is 2881772911. The reversal of 2881772910 is 192771882.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2881772911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18517 + ... + 78143.

It is an arithmetic number, because the mean of its divisors is an integer number (120746700).

Almost surely, 2^2881772910 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2881772910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3863894400).

2881772910 is an abundant number, since it is smaller than the sum of its proper divisors (4846015890).

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

2881772910 is a wasteful number, since it uses less digits than its factorization.

2881772910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59822 (or 59816 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The square root of 2881772910 is about 53682.1470323235. The cubic root of 2881772910 is about 1423.0492087480.

The spelling of 2881772910 in words is "two billion, eight hundred eighty-one million, seven hundred seventy-two thousand, nine hundred ten".