2782026057 has 16 divisors (see below), whose sum is σ = 3876848640. Its totient is φ = 1772262912.

The previous prime is 2782026053. The next prime is 2782026061. The reversal of 2782026057 is 7506202872.

It is an interprime number because it is at equal distance from previous prime (2782026053) and next prime (2782026061).

It is not a de Polignac number, because 2782026057 - 2² = 2782026053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2782026053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156393 + ... + 173270.

It is an arithmetic number, because the mean of its divisors is an integer number (242303040).

Almost surely, 2^2782026057 is an apocalyptic number.

It is an amenable number.

2782026057 is a deficient number, since it is larger than the sum of its proper divisors (1094822583).

2782026057 is a wasteful number, since it uses less digits than its factorization.

2782026057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329792.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 2782026057 is about 52744.9149871341. The cubic root of 2782026057 is about 1406.4373713078.

The spelling of 2782026057 in words is "two billion, seven hundred eighty-two million, twenty-six thousand, fifty-seven".