860047231 has 2 divisors, whose sum is σ = 860047232. Its totient is φ = 860047230.

The previous prime is 860047193. The next prime is 860047247. The reversal of 860047231 is 132740068.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 860047231 - 2¹³ = 860039039 is a prime.

It is a super-2 number, since 2×860047231² = 1479362479101534722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 860047193 and 860047202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (860047931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430023615 + 430023616.

It is an arithmetic number, because the mean of its divisors is an integer number (430023616).

Almost surely, 2^860047231 is an apocalyptic number.

860047231 is a deficient number, since it is larger than the sum of its proper divisors (1).

860047231 is an equidigital number, since it uses as much as digits as its factorization.

860047231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 860047231 is about 29326.5618680404. The cubic root of 860047231 is about 950.9859499775.

Adding to 860047231 its reverse (132740068), we get a palindrome (992787299).

The spelling of 860047231 in words is "eight hundred sixty million, forty-seven thousand, two hundred thirty-one".