8742889372 has 24 divisors (see below), whose sum is σ = 17521418880. Its totient is φ = 3739315440.

The previous prime is 8742889367. The next prime is 8742889399. The reversal of 8742889372 is 2739882478.

It is a happy number.

8742889372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×8742889372² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 304222 + ... + 331717.

It is an arithmetic number, because the mean of its divisors is an integer number (730059120).

Almost surely, 2^8742889372 is an apocalyptic number.

It is an amenable number.

8742889372 is an abundant number, since it is smaller than the sum of its proper divisors (8778529508).

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

8742889372 is a wasteful number, since it uses less digits than its factorization.

8742889372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636441 (or 636439 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 58.

The square root of 8742889372 is about 93503.4190390918. The cubic root of 8742889372 is about 2060.0843095541.

The spelling of 8742889372 in words is "eight billion, seven hundred forty-two million, eight hundred eighty-nine thousand, three hundred seventy-two".