860650387 has 8 divisors (see below), whose sum is σ = 870082304. Its totient is φ = 851239368.

The previous prime is 860650367. The next prime is 860650397. The reversal of 860650387 is 783056068.

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

It is a cyclic number.

It is not a de Polignac number, because 860650387 - 2²⁷ = 726432659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (860650337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86218 + ... + 95680.

It is an arithmetic number, because the mean of its divisors is an integer number (108760288).

Almost surely, 2^860650387 is an apocalyptic number.

860650387 is a deficient number, since it is larger than the sum of its proper divisors (9431917).

860650387 is a wasteful number, since it uses less digits than its factorization.

860650387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10449.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 860650387 is about 29336.8435077805. The cubic root of 860650387 is about 951.2082086416.

The spelling of 860650387 in words is "eight hundred sixty million, six hundred fifty thousand, three hundred eighty-seven".