8315412085 has 4 divisors (see below), whose sum is σ = 9978494508. Its totient is φ = 6652329664.

The previous prime is 8315412059. The next prime is 8315412101. The reversal of 8315412085 is 5802145138.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3744705636 + 4570706449 = 61194^2 + 67607^2 .

It is a cyclic number.

It is not a de Polignac number, because 8315412085 - 2²³ = 8307023477 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 3 ways as a sum of consecutive naturals, for example, 831541204 + ... + 831541213.

It is an arithmetic number, because the mean of its divisors is an integer number (2494623627).

Almost surely, 2^8315412085 is an apocalyptic number.

It is an amenable number.

8315412085 is a deficient number, since it is larger than the sum of its proper divisors (1663082423).

8315412085 is a wasteful number, since it uses less digits than its factorization.

8315412085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663082422.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 8315412085 is about 91188.8813671930. The cubic root of 8315412085 is about 2025.9462800848.

The spelling of 8315412085 in words is "eight billion, three hundred fifteen million, four hundred twelve thousand, eighty-five".