2778063372 has 96 divisors (see below), whose sum is σ = 8589235200. Its totient is φ = 759217536.

The previous prime is 2778063371. The next prime is 2778063373. The reversal of 2778063372 is 2733608772.

2778063372 is a `hidden beast` number, since 2 + 7 + 7 + 8 + 0 + 633 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (2778063371) and next prime (2778063373).

It is not an unprimeable number, because it can be changed into a prime (2778063371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62497 + ... + 97272.

It is an arithmetic number, because the mean of its divisors is an integer number (89471200).

Almost surely, 2^2778063372 is an apocalyptic number.

It is an amenable number.

2778063372 is an abundant number, since it is smaller than the sum of its proper divisors (5811171828).

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

2778063372 is a wasteful number, since it uses less digits than its factorization.

2778063372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159812 (or 159804 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The square root of 2778063372 is about 52707.3369845224. The cubic root of 2778063372 is about 1405.7692830845.

The spelling of 2778063372 in words is "two billion, seven hundred seventy-eight million, sixty-three thousand, three hundred seventy-two".