8070820513 has 32 divisors (see below), whose sum is σ = 9920000000. Its totient is φ = 6412633920.

The previous prime is 8070820501. The next prime is 8070820517. The reversal of 8070820513 is 3150280708.

It is not a de Polignac number, because 8070820513 - 2²⁹ = 7533949601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8070820517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1611988 + ... + 1616986.

It is an arithmetic number, because the mean of its divisors is an integer number (310000000).

Almost surely, 2^8070820513 is an apocalyptic number.

It is an amenable number.

8070820513 is a deficient number, since it is larger than the sum of its proper divisors (1849179487).

8070820513 is a wasteful number, since it uses less digits than its factorization.

8070820513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5285.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 8070820513 is about 89837.7454803937. The cubic root of 8070820513 is about 2005.8843794764.

The spelling of 8070820513 in words is "eight billion, seventy million, eight hundred twenty thousand, five hundred thirteen".