2785457683825 has 12 divisors (see below), whose sum is σ = 3465073542528. Its totient is φ = 2221200976400.

The previous prime is 2785457683819. The next prime is 2785457683843. The reversal of 2785457683825 is 5283867545872.

It is not a de Polignac number, because 2785457683825 - 2¹⁷ = 2785457552753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179121337 + ... + 179136886.

It is an arithmetic number, because the mean of its divisors is an integer number (288756128544).

Almost surely, 2^{2785457683825} is an apocalyptic number.

2785457683825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2785457683825 is a deficient number, since it is larger than the sum of its proper divisors (679615858703).

2785457683825 is a wasteful number, since it uses less digits than its factorization.

2785457683825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358258544 (or 358258539 counting only the distinct ones).

The product of its digits is 903168000, while the sum is 70.

The spelling of 2785457683825 in words is "two trillion, seven hundred eighty-five billion, four hundred fifty-seven million, six hundred eighty-three thousand, eight hundred twenty-five".