860712691 has 4 divisors (see below), whose sum is σ = 862103800. Its totient is φ = 859321584.

The previous prime is 860712683. The next prime is 860712701. The reversal of 860712691 is 196217068.

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 860712691 - 2³ = 860712683 is a prime.

It is a super-2 number, since 2×860712691² = 1481652672896922962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (860712661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694626 + ... + 695863.

It is an arithmetic number, because the mean of its divisors is an integer number (215525950).

Almost surely, 2^860712691 is an apocalyptic number.

860712691 is a deficient number, since it is larger than the sum of its proper divisors (1391109).

860712691 is a wasteful number, since it uses less digits than its factorization.

860712691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391108.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 860712691 is about 29337.9053614944. The cubic root of 860712691 is about 951.2311613012.

The spelling of 860712691 in words is "eight hundred sixty million, seven hundred twelve thousand, six hundred ninety-one".