8071415856 has 160 divisors (see below), whose sum is σ = 28035348480. Its totient is φ = 2170450944.

The previous prime is 8071415837. The next prime is 8071415879. The reversal of 8071415856 is 6585141708.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27096 + ... + 129911.

It is an arithmetic number, because the mean of its divisors is an integer number (175220928).

Almost surely, 2^8071415856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8071415856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14017674240).

8071415856 is an abundant number, since it is smaller than the sum of its proper divisors (19963932624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8071415856 is a wasteful number, since it uses less digits than its factorization.

8071415856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157048 (or 157036 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The square root of 8071415856 is about 89841.0588539561. The cubic root of 8071415856 is about 2005.9336995284.

The spelling of 8071415856 in words is "eight billion, seventy-one million, four hundred fifteen thousand, eight hundred fifty-six".