2778076546 has 16 divisors (see below), whose sum is σ = 4769406144. Its totient is φ = 1188856944.

The previous prime is 2778076529. The next prime is 2778076549. The reversal of 2778076546 is 6456708772.

It is a junction number, because it is equal to n+sod(n) for n = 2778076493 and 2778076502.

It is not an unprimeable number, because it can be changed into a prime (2778076549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135705 + ... + 154828.

It is an arithmetic number, because the mean of its divisors is an integer number (298087884).

Almost surely, 2^2778076546 is an apocalyptic number.

2778076546 is a deficient number, since it is larger than the sum of its proper divisors (1991329598).

2778076546 is a wasteful number, since it uses less digits than its factorization.

2778076546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291225.

The product of its (nonzero) digits is 3951360, while the sum is 52.

The square root of 2778076546 is about 52707.4619574876. The cubic root of 2778076546 is about 1405.7715052051.

The spelling of 2778076546 in words is "two billion, seven hundred seventy-eight million, seventy-six thousand, five hundred forty-six".