825056904986 has 16 divisors (see below), whose sum is σ = 1268451831528. Its totient is φ = 402250444800.

The previous prime is 825056904983. The next prime is 825056905009. The reversal of 825056904986 is 689409650528.

It can be written as a sum of positive squares in 4 ways, for example, as 148190352025 + 676866552961 = 384955^2 + 822719^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (825056904983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2550695 + ... + 2855898.

Almost surely, 2^825056904986 is an apocalyptic number.

825056904986 is a deficient number, since it is larger than the sum of its proper divisors (443394926542).

825056904986 is a wasteful number, since it uses less digits than its factorization.

825056904986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5408497.

The product of its (nonzero) digits is 37324800, while the sum is 62.

The spelling of 825056904986 in words is "eight hundred twenty-five billion, fifty-six million, nine hundred four thousand, nine hundred eighty-six".