859614881 has 2 divisors, whose sum is σ = 859614882. Its totient is φ = 859614880.

The previous prime is 859614871. The next prime is 859614887. The reversal of 859614881 is 188416958.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 852640000 + 6974881 = 29200^2 + 2641^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-859614881 is a prime.

It is a super-2 number, since 2×859614881² = 1477875487273288322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (859614887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429807440 + 429807441.

It is an arithmetic number, because the mean of its divisors is an integer number (429807441).

Almost surely, 2^859614881 is an apocalyptic number.

It is an amenable number.

859614881 is a deficient number, since it is larger than the sum of its proper divisors (1).

859614881 is an equidigital number, since it uses as much as digits as its factorization.

859614881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 50.

The square root of 859614881 is about 29319.1896375053. The cubic root of 859614881 is about 950.8265681525.

The spelling of 859614881 in words is "eight hundred fifty-nine million, six hundred fourteen thousand, eight hundred eighty-one".