8158514856 has 32 divisors (see below), whose sum is σ = 20398500000. Its totient is φ = 2719209920.

The previous prime is 8158514839. The next prime is 8158514887. The reversal of 8158514856 is 6584158518.

It is a super-2 number, since 2×8158514856² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8158514799 and 8158514808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425770 + ... + 444518.

It is an arithmetic number, because the mean of its divisors is an integer number (637453125).

Almost surely, 2^8158514856 is an apocalyptic number.

It is an amenable number.

8158514856 is an abundant number, since it is smaller than the sum of its proper divisors (12239985144).

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

8158514856 is a wasteful number, since it uses less digits than its factorization.

8158514856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36889 (or 36885 counting only the distinct ones).

The product of its digits is 1536000, while the sum is 51.

The square root of 8158514856 is about 90324.4975408112. The cubic root of 8158514856 is about 2013.1232728471.

The spelling of 8158514856 in words is "eight billion, one hundred fifty-eight million, five hundred fourteen thousand, eight hundred fifty-six".