8643870542 has 8 divisors (see below), whose sum is σ = 13032986736. Its totient is φ = 4299541632.

The previous prime is 8643870509. The next prime is 8643870553. The reversal of 8643870542 is 2450783468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11196338 + ... + 11197109.

It is an arithmetic number, because the mean of its divisors is an integer number (1629123342).

Almost surely, 2^8643870542 is an apocalyptic number.

8643870542 is a deficient number, since it is larger than the sum of its proper divisors (4389116194).

8643870542 is a wasteful number, since it uses less digits than its factorization.

8643870542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22393642.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The square root of 8643870542 is about 92972.4181787265. The cubic root of 8643870542 is about 2052.2775038659.

The spelling of 8643870542 in words is "eight billion, six hundred forty-three million, eight hundred seventy thousand, five hundred forty-two".