2086778076 has 24 divisors (see below), whose sum is σ = 4870617360. Its totient is φ = 695382912.

The previous prime is 2086778053. The next prime is 2086778081. The reversal of 2086778076 is 6708776802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18240 + ... + 67128.

It is an arithmetic number, because the mean of its divisors is an integer number (202942390).

Almost surely, 2^2086778076 is an apocalyptic number.

It is an amenable number.

2086778076 is an abundant number, since it is smaller than the sum of its proper divisors (2783839284).

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

2086778076 is a wasteful number, since it uses less digits than its factorization.

2086778076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52453 (or 52451 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 51.

The square root of 2086778076 is about 45681.2661383198. The cubic root of 2086778076 is about 1277.8859300472.

The spelling of 2086778076 in words is "two billion, eighty-six million, seven hundred seventy-eight thousand, seventy-six".