8146863880 has 32 divisors (see below), whose sum is σ = 18442915200. Its totient is φ = 3238750656.

The previous prime is 8146863869. The next prime is 8146863899. The reversal of 8146863880 is 883686418.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

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, 618240 + ... + 631279.

It is an arithmetic number, because the mean of its divisors is an integer number (576341100).

Almost surely, 2^8146863880 is an apocalyptic number.

It is an amenable number.

8146863880 is an abundant number, since it is smaller than the sum of its proper divisors (10296051320).

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

8146863880 is a wasteful number, since it uses less digits than its factorization.

8146863880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249693 (or 1249689 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 52.

The square root of 8146863880 is about 90259.9793928627. The cubic root of 8146863880 is about 2012.1645189024.

The spelling of 8146863880 in words is "eight billion, one hundred forty-six million, eight hundred sixty-three thousand, eight hundred eighty".