861470895 has 16 divisors (see below), whose sum is σ = 1381011552. Its totient is φ = 458565120.

The previous prime is 861470893. The next prime is 861470899. The reversal of 861470895 is 598074168.

It is not a de Polignac number, because 861470895 - 2¹ = 861470893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (861470891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47302 + ... + 62931.

It is an arithmetic number, because the mean of its divisors is an integer number (86313222).

Almost surely, 2^861470895 is an apocalyptic number.

861470895 is a deficient number, since it is larger than the sum of its proper divisors (519540657).

861470895 is a wasteful number, since it uses less digits than its factorization.

861470895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110762.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 861470895 is about 29350.8244347582. The cubic root of 861470895 is about 951.5103933088.

The spelling of 861470895 in words is "eight hundred sixty-one million, four hundred seventy thousand, eight hundred ninety-five".