8520000851 has 4 divisors (see below), whose sum is σ = 8528998632. Its totient is φ = 8511003072.

The previous prime is 8520000833. The next prime is 8520000869. The reversal of 8520000851 is 1580000258.

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

It is an interprime number because it is at equal distance from previous prime (8520000833) and next prime (8520000869).

It is a cyclic number.

It is not a de Polignac number, because 8520000851 - 2¹⁴ = 8519984467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8520000751) 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, 4497470 + ... + 4499363.

It is an arithmetic number, because the mean of its divisors is an integer number (2132249658).

Almost surely, 2^8520000851 is an apocalyptic number.

8520000851 is a deficient number, since it is larger than the sum of its proper divisors (8997781).

8520000851 is an equidigital number, since it uses as much as digits as its factorization.

8520000851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8997780.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 8520000851 is about 92303.8506834899. The cubic root of 8520000851 is about 2042.4270142467.

The spelling of 8520000851 in words is "eight billion, five hundred twenty million, eight hundred fifty-one", and thus it is an aban number.