7863457942 has 8 divisors (see below), whose sum is σ = 11822555232. Its totient is φ = 3922606200.

The previous prime is 7863457913. The next prime is 7863457949. The reversal of 7863457942 is 2497543687.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7863457949) 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 3 ways as a sum of consecutive naturals, for example, 4560309 + ... + 4562032.

It is an arithmetic number, because the mean of its divisors is an integer number (1477819404).

Almost surely, 2^7863457942 is an apocalyptic number.

7863457942 is a deficient number, since it is larger than the sum of its proper divisors (3959097290).

7863457942 is a wasteful number, since it uses less digits than its factorization.

7863457942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9122774.

The product of its digits is 10160640, while the sum is 55.

The square root of 7863457942 is about 88676.1407707846. The cubic root of 7863457942 is about 1988.5561390829.

The spelling of 7863457942 in words is "seven billion, eight hundred sixty-three million, four hundred fifty-seven thousand, nine hundred forty-two".