865470874 has 8 divisors (see below), whose sum is σ = 1301205780. Its totient is φ = 431735616.

The previous prime is 865470871. The next prime is 865470889. The reversal of 865470874 is 478074568.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 604422225 + 261048649 = 24585^2 + 16157^2 .

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

It is not an unprimeable number, because it can be changed into a prime (865470871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498829 + ... + 500560.

Almost surely, 2^865470874 is an apocalyptic number.

865470874 is a deficient number, since it is larger than the sum of its proper divisors (435734906).

865470874 is a wasteful number, since it uses less digits than its factorization.

865470874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999824.

The product of its (nonzero) digits is 1505280, while the sum is 49.

The square root of 865470874 is about 29418.8863487386. The cubic root of 865470874 is about 952.9808032242.

The spelling of 865470874 in words is "eight hundred sixty-five million, four hundred seventy thousand, eight hundred seventy-four".