2557825307783 has 2 divisors, whose sum is σ = 2557825307784. Its totient is φ = 2557825307782.

The previous prime is 2557825307771. The next prime is 2557825307857. The reversal of 2557825307783 is 3877035287552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2557825307783 - 2¹² = 2557825303687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2557825307083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278912653891 + 1278912653892.

It is an arithmetic number, because the mean of its divisors is an integer number (1278912653892).

Almost surely, 2^{2557825307783} is an apocalyptic number.

2557825307783 is a deficient number, since it is larger than the sum of its proper divisors (1).

2557825307783 is an equidigital number, since it uses as much as digits as its factorization.

2557825307783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784000, while the sum is 62.

The spelling of 2557825307783 in words is "two trillion, five hundred fifty-seven billion, eight hundred twenty-five million, three hundred seven thousand, seven hundred eighty-three".