8978452842 has 8 divisors (see below), whose sum is σ = 17956905696. Its totient is φ = 2992817612.

The previous prime is 8978452807. The next prime is 8978452849. The reversal of 8978452842 is 2482548798.

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

8978452842 is an admirable number.

It is a super-2 number, since 2×8978452842² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8978452849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 748204398 + ... + 748204409.

It is an arithmetic number, because the mean of its divisors is an integer number (2244613212).

Almost surely, 2^8978452842 is an apocalyptic number.

8978452842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8978452842 is a wasteful number, since it uses less digits than its factorization.

8978452842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496408812.

The product of its digits is 10321920, while the sum is 57.

The square root of 8978452842 is about 94754.6982581866. The cubic root of 8978452842 is about 2078.4225004357.

The spelling of 8978452842 in words is "eight billion, nine hundred seventy-eight million, four hundred fifty-two thousand, eight hundred forty-two".