2806012770 has 64 divisors (see below), whose sum is σ = 7373414016. Its totient is φ = 677767680.

The previous prime is 2806012747. The next prime is 2806012787. The reversal of 2806012770 is 772106082.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76062 + ... + 106758.

It is an arithmetic number, because the mean of its divisors is an integer number (115209594).

Almost surely, 2^2806012770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2806012770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3686707008).

2806012770 is an abundant number, since it is smaller than the sum of its proper divisors (4567401246).

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

2806012770 is a wasteful number, since it uses less digits than its factorization.

2806012770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30995.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 2806012770 is about 52971.8110885403. The cubic root of 2806012770 is about 1410.4679247730.

The spelling of 2806012770 in words is "two billion, eight hundred six million, twelve thousand, seven hundred seventy".