860537663 has 4 divisors (see below), whose sum is σ = 897952368. Its totient is φ = 823122960.

The previous prime is 860537653. The next prime is 860537723. The reversal of 860537663 is 366735068.

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 860537663 - 2⁸ = 860537407 is a prime.

It is a super-5 number, since 5×860537663⁵ (a number of 46 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860537633) 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 3 ways as a sum of consecutive naturals, for example, 18707318 + ... + 18707363.

It is an arithmetic number, because the mean of its divisors is an integer number (224488092).

Almost surely, 2^860537663 is an apocalyptic number.

860537663 is a deficient number, since it is larger than the sum of its proper divisors (37414705).

860537663 is a wasteful number, since it uses less digits than its factorization.

860537663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37414704.

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 860537663 is about 29334.9222429513. The cubic root of 860537663 is about 951.1666785471.

The spelling of 860537663 in words is "eight hundred sixty million, five hundred thirty-seven thousand, six hundred sixty-three".