2863685825 has 144 divisors (see below), whose sum is σ = 4898519808. Its totient is φ = 1615680000.

The previous prime is 2863685821. The next prime is 2863685843. The reversal of 2863685825 is 5285863682.

It is a happy number.

It is not a de Polignac number, because 2863685825 - 2² = 2863685821 is a prime.

Its product of digits (5529600) is a multiple of the sum of its prime divisors (240).

It is not an unprimeable number, because it can be changed into a prime (2863685821) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 27802724 + ... + 27802826.

Almost surely, 2^2863685825 is an apocalyptic number.

2863685825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2863685825 is a deficient number, since it is larger than the sum of its proper divisors (2034833983).

2863685825 is a wasteful number, since it uses less digits than its factorization.

2863685825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 240 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 53.

The square root of 2863685825 is about 53513.4172427813. The cubic root of 2863685825 is about 1420.0657618490.

The spelling of 2863685825 in words is "two billion, eight hundred sixty-three million, six hundred eighty-five thousand, eight hundred twenty-five".