2871778790 has 16 divisors (see below), whose sum is σ = 5246355312. Its totient is φ = 1131566304.

The previous prime is 2871778759. The next prime is 2871778813. The reversal of 2871778790 is 978771782.

It is a super-2 number, since 2×2871778790² = 16494226837387728200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2142449 + ... + 2143788.

It is an arithmetic number, because the mean of its divisors is an integer number (327897207).

Almost surely, 2^2871778790 is an apocalyptic number.

2871778790 is a deficient number, since it is larger than the sum of its proper divisors (2374576522).

2871778790 is a wasteful number, since it uses less digits than its factorization.

2871778790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4286311.

The product of its (nonzero) digits is 2765952, while the sum is 56.

The square root of 2871778790 is about 53588.9801171845. The cubic root of 2871778790 is about 1421.4022368149.

The spelling of 2871778790 in words is "two billion, eight hundred seventy-one million, seven hundred seventy-eight thousand, seven hundred ninety".