2551286782 has 16 divisors (see below), whose sum is σ = 4232025072. Its totient is φ = 1143789120.

The previous prime is 2551286779. The next prime is 2551286819. The reversal of 2551286782 is 2876821552.

2551286782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792693 + ... + 795904.

It is an arithmetic number, because the mean of its divisors is an integer number (264501567).

Almost surely, 2^2551286782 is an apocalyptic number.

2551286782 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2551286782 is a deficient number, since it is larger than the sum of its proper divisors (1680738290).

2551286782 is a wasteful number, since it uses less digits than its factorization.

2551286782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588683.

The product of its digits is 537600, while the sum is 46.

The square root of 2551286782 is about 50510.2641252251. The cubic root of 2551286782 is about 1366.4269730605.

The spelling of 2551286782 in words is "two billion, five hundred fifty-one million, two hundred eighty-six thousand, seven hundred eighty-two".