85873771 has 2 divisors, whose sum is σ = 85873772. Its totient is φ = 85873770.

The previous prime is 85873763. The next prime is 85873793. The reversal of 85873771 is 17737858.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85873771 - 2³ = 85873763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (85876771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42936885 + 42936886.

It is an arithmetic number, because the mean of its divisors is an integer number (42936886).

Almost surely, 2^85873771 is an apocalyptic number.

85873771 is a deficient number, since it is larger than the sum of its proper divisors (1).

85873771 is an equidigital number, since it uses as much as digits as its factorization.

85873771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 329280, while the sum is 46.

The square root of 85873771 is about 9266.8101847399. The cubic root of 85873771 is about 441.1844310278.

The spelling of 85873771 in words is "eighty-five million, eight hundred seventy-three thousand, seven hundred seventy-one".