286061107861 has 4 divisors (see below), whose sum is σ = 287883153292. Its totient is φ = 284239062432.

The previous prime is 286061107859. The next prime is 286061107867. The reversal of 286061107861 is 168701160682.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 210136060836 + 75925047025 = 458406^2 + 275545^2 .

It is a cyclic number.

It is not a de Polignac number, because 286061107861 - 2¹ = 286061107859 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286061107867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 911022480 + ... + 911022793.

It is an arithmetic number, because the mean of its divisors is an integer number (71970788323).

Almost surely, 2^286061107861 is an apocalyptic number.

It is an amenable number.

286061107861 is a deficient number, since it is larger than the sum of its proper divisors (1822045431).

286061107861 is a wasteful number, since it uses less digits than its factorization.

286061107861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822045430.

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 286061107861 in words is "two hundred eighty-six billion, sixty-one million, one hundred seven thousand, eight hundred sixty-one".