859047377 has 2 divisors, whose sum is σ = 859047378. Its totient is φ = 859047376.

The previous prime is 859047353. The next prime is 859047391. The reversal of 859047377 is 773740958.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 639533521 + 219513856 = 25289^2 + 14816^2 .

It is a cyclic number.

It is not a de Polignac number, because 859047377 - 2¹² = 859043281 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (859047877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429523688 + 429523689.

It is an arithmetic number, because the mean of its divisors is an integer number (429523689).

Almost surely, 2^859047377 is an apocalyptic number.

It is an amenable number.

859047377 is a deficient number, since it is larger than the sum of its proper divisors (1).

859047377 is an equidigital number, since it uses as much as digits as its factorization.

859047377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1481760, while the sum is 50.

The square root of 859047377 is about 29309.5100095515. The cubic root of 859047377 is about 950.6172819241.

The spelling of 859047377 in words is "eight hundred fifty-nine million, forty-seven thousand, three hundred seventy-seven".