8147895988 has 24 divisors (see below), whose sum is σ = 14581576800. Its totient is φ = 3982503648.

The previous prime is 8147895967. The next prime is 8147895991. The reversal of 8147895988 is 8895987418.

It is a super-2 number, since 2×8147895988² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (67) 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, 54195 + ... + 138682.

It is an arithmetic number, because the mean of its divisors is an integer number (607565700).

Almost surely, 2^8147895988 is an apocalyptic number.

It is an amenable number.

8147895988 is a deficient number, since it is larger than the sum of its proper divisors (6433680812).

8147895988 is a wasteful number, since it uses less digits than its factorization.

8147895988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193119 (or 193117 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 67.

The square root of 8147895988 is about 90265.6966294505. The cubic root of 8147895988 is about 2012.2494875248.

The spelling of 8147895988 in words is "eight billion, one hundred forty-seven million, eight hundred ninety-five thousand, nine hundred eighty-eight".