7881112942 has 8 divisors (see below), whose sum is σ = 12443862600. Its totient is φ = 3733158744.

The previous prime is 7881112937. The next prime is 7881112949. The reversal of 7881112942 is 2492111887.

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

It is a super-2 number, since 2×7881112942² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7881112949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103698817 + ... + 103698892.

It is an arithmetic number, because the mean of its divisors is an integer number (1555482825).

Almost surely, 2^7881112942 is an apocalyptic number.

7881112942 is a deficient number, since it is larger than the sum of its proper divisors (4562749658).

7881112942 is a wasteful number, since it uses less digits than its factorization.

7881112942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207397730.

The product of its digits is 64512, while the sum is 43.

The square root of 7881112942 is about 88775.6325913817. The cubic root of 7881112942 is about 1990.0432590783.

The spelling of 7881112942 in words is "seven billion, eight hundred eighty-one million, one hundred twelve thousand, nine hundred forty-two".