8187012938 has 16 divisors (see below), whose sum is σ = 13227683616. Its totient is φ = 3777904560.

The previous prime is 8187012919. The next prime is 8187012943. The reversal of 8187012938 is 8392107818.

It is a junction number, because it is equal to n+sod(n) for n = 8187012892 and 8187012901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124973 + ... + 178863.

It is an arithmetic number, because the mean of its divisors is an integer number (826730226).

Almost surely, 2^8187012938 is an apocalyptic number.

8187012938 is a deficient number, since it is larger than the sum of its proper divisors (5040670678).

8187012938 is a wasteful number, since it uses less digits than its factorization.

8187012938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59749.

The product of its (nonzero) digits is 193536, while the sum is 47.

The square root of 8187012938 is about 90482.1139120876. The cubic root of 8187012938 is about 2015.4645274974.

The spelling of 8187012938 in words is "eight billion, one hundred eighty-seven million, twelve thousand, nine hundred thirty-eight".