860971667 has 2 divisors, whose sum is σ = 860971668. Its totient is φ = 860971666.

The previous prime is 860971663. The next prime is 860971687. The reversal of 860971667 is 766179068.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 860971667 - 2² = 860971663 is a prime.

It is a super-2 number, since 2×860971667² = 1482544422753517778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (860971663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430485833 + 430485834.

It is an arithmetic number, because the mean of its divisors is an integer number (430485834).

Almost surely, 2^860971667 is an apocalyptic number.

860971667 is a deficient number, since it is larger than the sum of its proper divisors (1).

860971667 is an equidigital number, since it uses as much as digits as its factorization.

860971667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 860971667 is about 29342.3187052421. The cubic root of 860971667 is about 951.3265556338.

The spelling of 860971667 in words is "eight hundred sixty million, nine hundred seventy-one thousand, six hundred sixty-seven".