8187233540 has 24 divisors (see below), whose sum is σ = 17593033920. Its totient is φ = 3198732768.

The previous prime is 8187233519. The next prime is 8187233557. The reversal of 8187233540 is 453327818.

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 7 ways as a sum of consecutive naturals, for example, 4759160 + ... + 4760879.

It is an arithmetic number, because the mean of its divisors is an integer number (733043080).

Almost surely, 2^8187233540 is an apocalyptic number.

It is an amenable number.

8187233540 is an abundant number, since it is smaller than the sum of its proper divisors (9405800380).

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

8187233540 is a wasteful number, since it uses less digits than its factorization.

8187233540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9520091 (or 9520089 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 8187233540 is about 90483.3329403819. The cubic root of 8187233540 is about 2015.4826298064.

The spelling of 8187233540 in words is "eight billion, one hundred eighty-seven million, two hundred thirty-three thousand, five hundred forty".