206075792765 has 8 divisors (see below), whose sum is σ = 251956818648. Its totient is φ = 161750056000.

The previous prime is 206075792753. The next prime is 206075792833. The reversal of 206075792765 is 567297570602.

It can be written as a sum of positive squares in 4 ways, for example, as 59198296249 + 146877496516 = 243307^2 + 383246^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 206075792765 - 2²⁰ = 206074744189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 206075792765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388821986 + ... + 388822515.

It is an arithmetic number, because the mean of its divisors is an integer number (31494602331).

Almost surely, 2^206075792765 is an apocalyptic number.

It is an amenable number.

206075792765 is a deficient number, since it is larger than the sum of its proper divisors (45881025883).

206075792765 is an equidigital number, since it uses as much as digits as its factorization.

206075792765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777644559.

The product of its (nonzero) digits is 11113200, while the sum is 56.

The spelling of 206075792765 in words is "two hundred six billion, seventy-five million, seven hundred ninety-two thousand, seven hundred sixty-five".