2773266078 has 64 divisors (see below), whose sum is σ = 6323443200. Its totient is φ = 802623360.

The previous prime is 2773266061. The next prime is 2773266103. The reversal of 2773266078 is 8706623772.

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 31 ways as a sum of consecutive naturals, for example, 1621888 + ... + 1623596.

It is an arithmetic number, because the mean of its divisors is an integer number (98803800).

Almost surely, 2^2773266078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2773266078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3161721600).

2773266078 is an abundant number, since it is smaller than the sum of its proper divisors (3550177122).

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

2773266078 is a wasteful number, since it uses less digits than its factorization.

2773266078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817.

The product of its (nonzero) digits is 1185408, while the sum is 48.

The square root of 2773266078 is about 52661.8085333195. The cubic root of 2773266078 is about 1404.9596334278.

The spelling of 2773266078 in words is "two billion, seven hundred seventy-three million, two hundred sixty-six thousand, seventy-eight".