8728179642 has 96 divisors (see below), whose sum is σ = 24026096640. Its totient is φ = 2227668480.

The previous prime is 8728179617. The next prime is 8728179667. The reversal of 8728179642 is 2469718278.

It is a happy number.

8728179642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8728179617) and next prime (8728179667).

It is a super-2 number, since 2×8728179642² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35167 + ... + 136722.

It is an arithmetic number, because the mean of its divisors is an integer number (250271840).

Almost surely, 2^8728179642 is an apocalyptic number.

8728179642 is an abundant number, since it is smaller than the sum of its proper divisors (15297916998).

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

8728179642 is a wasteful number, since it uses less digits than its factorization.

8728179642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171948 (or 171945 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 8728179642 is about 93424.7271443701. The cubic root of 8728179642 is about 2058.9283112921.

The spelling of 8728179642 in words is "eight billion, seven hundred twenty-eight million, one hundred seventy-nine thousand, six hundred forty-two".