2778306036 has 48 divisors (see below), whose sum is σ = 7087953600. Its totient is φ = 840017920.

The previous prime is 2778306023. The next prime is 2778306071. The reversal of 2778306036 is 6306038772.

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 15 ways as a sum of consecutive naturals, for example, 35830 + ... + 82706.

It is an arithmetic number, because the mean of its divisors is an integer number (147665700).

Almost surely, 2^2778306036 is an apocalyptic number.

It is an amenable number.

2778306036 is an abundant number, since it is smaller than the sum of its proper divisors (4309647564).

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

2778306036 is a wasteful number, since it uses less digits than its factorization.

2778306036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47344 (or 47342 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 2778306036 is about 52709.6389287576. The cubic root of 2778306036 is about 1405.8102132361.

The spelling of 2778306036 in words is "two billion, seven hundred seventy-eight million, three hundred six thousand, thirty-six".