8142793456 has 40 divisors (see below), whose sum is σ = 18036337664. Its totient is φ = 3488633280.

The previous prime is 8142793453. The next prime is 8142793481. The reversal of 8142793456 is 6543972418.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8142793453) by changing a digit.

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, 396661 + ... + 416683.

Almost surely, 2^8142793456 is an apocalyptic number.

It is an amenable number.

8142793456 is an abundant number, since it is smaller than the sum of its proper divisors (9893544208).

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

8142793456 is a wasteful number, since it uses less digits than its factorization.

8142793456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23669 (or 23663 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 8142793456 is about 90237.4282434955. The cubic root of 8142793456 is about 2011.8293499628.

The spelling of 8142793456 in words is "eight billion, one hundred forty-two million, seven hundred ninety-three thousand, four hundred fifty-six".