8871643746 has 72 divisors (see below), whose sum is σ = 23188379760. Its totient is φ = 2534748552.

The previous prime is 8871643733. The next prime is 8871643751. The reversal of 8871643746 is 6473461788.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 8871643692 and 8871643701.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 162456 + ... + 210083.

It is an arithmetic number, because the mean of its divisors is an integer number (322060830).

Almost surely, 2^8871643746 is an apocalyptic number.

8871643746 is an abundant number, since it is smaller than the sum of its proper divisors (14316736014).

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

8871643746 is a wasteful number, since it uses less digits than its factorization.

8871643746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372570 (or 372551 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 8871643746 is about 94189.4035759862. The cubic root of 8871643746 is about 2070.1478533332.

The spelling of 8871643746 in words is "eight billion, eight hundred seventy-one million, six hundred forty-three thousand, seven hundred forty-six".