2851671880 has 16 divisors (see below), whose sum is σ = 6416261820. Its totient is φ = 1140668736.

The previous prime is 2851671869. The next prime is 2851671923. The reversal of 2851671880 is 881761582.

2851671880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2619597124 + 232074756 = 51182^2 + 15234^2 .

It is a super-2 number, since 2×2851671880² = 16264065022365468800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2851671880.

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, 35645859 + ... + 35645938.

Almost surely, 2^2851671880 is an apocalyptic number.

2851671880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2851671880 is an abundant number, since it is smaller than the sum of its proper divisors (3564589940).

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

2851671880 is a wasteful number, since it uses less digits than its factorization.

2851671880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71291808 (or 71291804 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 46.

The square root of 2851671880 is about 53401.0475552681. The cubic root of 2851671880 is about 1418.0771235795.

The spelling of 2851671880 in words is "two billion, eight hundred fifty-one million, six hundred seventy-one thousand, eight hundred eighty".