6860786287 has 4 divisors (see below), whose sum is σ = 6895262800. Its totient is φ = 6826309776.

The previous prime is 6860786279. The next prime is 6860786293. The reversal of 6860786287 is 7826870686.

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

It is a cyclic number.

It is not a de Polignac number, because 6860786287 - 2³ = 6860786279 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 (6860786687) 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, 17237958 + ... + 17238355.

It is an arithmetic number, because the mean of its divisors is an integer number (1723815700).

Almost surely, 2^6860786287 is an apocalyptic number.

6860786287 is a deficient number, since it is larger than the sum of its proper divisors (34476513).

6860786287 is a wasteful number, since it uses less digits than its factorization.

6860786287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34476512.

The product of its (nonzero) digits is 10838016, while the sum is 58.

The square root of 6860786287 is about 82829.8634974126. The cubic root of 6860786287 is about 1900.1649244649.

The spelling of 6860786287 in words is "six billion, eight hundred sixty million, seven hundred eighty-six thousand, two hundred eighty-seven".