8072865858 has 16 divisors (see below), whose sum is σ = 16147232640. Its totient is φ = 2690705136.

The previous prime is 8072865817. The next prime is 8072865893. The reversal of 8072865858 is 8585682708.

It is a super-2 number, since 2×8072865858² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8072865798 and 8072865807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14728 + ... + 127916.

It is an arithmetic number, because the mean of its divisors is an integer number (1009202040).

Almost surely, 2^8072865858 is an apocalyptic number.

8072865858 is an abundant number, since it is smaller than the sum of its proper divisors (8074366782).

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

8072865858 is a wasteful number, since it uses less digits than its factorization.

8072865858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125081.

The product of its (nonzero) digits is 8601600, while the sum is 57.

The square root of 8072865858 is about 89849.1283096280. The cubic root of 8072865858 is about 2006.0538120247.

The spelling of 8072865858 in words is "eight billion, seventy-two million, eight hundred sixty-five thousand, eight hundred fifty-eight".