206864486725 has 48 divisors (see below), whose sum is σ = 279181686784. Its totient is φ = 151139520000.

The previous prime is 206864486713. The next prime is 206864486743. The reversal of 206864486725 is 527684468602.

It is not a de Polignac number, because 206864486725 - 2²³ = 206856098117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 206864486725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49239625 + ... + 49243825.

Almost surely, 2^206864486725 is an apocalyptic number.

206864486725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

206864486725 is a deficient number, since it is larger than the sum of its proper divisors (72317200059).

206864486725 is a wasteful number, since it uses less digits than its factorization.

206864486725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5798 (or 5793 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 58.

The spelling of 206864486725 in words is "two hundred six billion, eight hundred sixty-four million, four hundred eighty-six thousand, seven hundred twenty-five".