2771869830 has 16 divisors (see below), whose sum is σ = 6652487664. Its totient is φ = 739165280.

The previous prime is 2771869813. The next prime is 2771869831. The reversal of 2771869830 is 389681772.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2771869831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46197801 + ... + 46197860.

It is an arithmetic number, because the mean of its divisors is an integer number (415780479).

Almost surely, 2^2771869830 is an apocalyptic number.

2771869830 is an abundant number, since it is smaller than the sum of its proper divisors (3880617834).

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

2771869830 is a wasteful number, since it uses less digits than its factorization.

2771869830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92395671.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 2771869830 is about 52648.5501224868. The cubic root of 2771869830 is about 1404.7238102350.

The spelling of 2771869830 in words is "two billion, seven hundred seventy-one million, eight hundred sixty-nine thousand, eight hundred thirty".