861479575 has 12 divisors (see below), whose sum is σ = 1165347288. Its totient is φ = 626530400.

The previous prime is 861479533. The next prime is 861479609. The reversal of 861479575 is 575974168.

861479575 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 861479575 - 2⁷ = 861479447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1566052 + ... + 1566601.

It is an arithmetic number, because the mean of its divisors is an integer number (97112274).

Almost surely, 2^861479575 is an apocalyptic number.

861479575 is a deficient number, since it is larger than the sum of its proper divisors (303867713).

861479575 is a wasteful number, since it uses less digits than its factorization.

861479575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132674 (or 3132669 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 52.

The square root of 861479575 is about 29350.9723007603. The cubic root of 861479575 is about 951.5135890378.

The spelling of 861479575 in words is "eight hundred sixty-one million, four hundred seventy-nine thousand, five hundred seventy-five".