859379455 has 8 divisors (see below), whose sum is σ = 1125005904. Its totient is φ = 625003200.

The previous prime is 859379449. The next prime is 859379497. The reversal of 859379455 is 554973958.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 859379455 - 2³ = 859379447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55), and also a Moran number because the ratio is a prime number: 15625081 = 859379455 / (8 + 5 + 9 + 3 + 7 + 9 + 4 + 5 + 5).

It is a junction number, because it is equal to n+sod(n) for n = 859379396 and 859379405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7812486 + ... + 7812595.

It is an arithmetic number, because the mean of its divisors is an integer number (140625738).

Almost surely, 2^859379455 is an apocalyptic number.

859379455 is a deficient number, since it is larger than the sum of its proper divisors (265626449).

859379455 is a wasteful number, since it uses less digits than its factorization.

859379455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15625097.

The product of its digits is 6804000, while the sum is 55.

The square root of 859379455 is about 29315.1744835333. The cubic root of 859379455 is about 950.7397580630.

The spelling of 859379455 in words is "eight hundred fifty-nine million, three hundred seventy-nine thousand, four hundred fifty-five".