7959188142 has 80 divisors (see below), whose sum is σ = 18069030672. Its totient is φ = 2618334720.

The previous prime is 7959188137. The next prime is 7959188189. The reversal of 7959188142 is 2418819597.

It is a happy number.

7959188142 is a `hidden beast` number, since 7 + 9 + 591 + 8 + 8 + 1 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10858008 + ... + 10858740.

Almost surely, 2^7959188142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7959188142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9034515336).

7959188142 is an abundant number, since it is smaller than the sum of its proper divisors (10109842530).

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

7959188142 is a wasteful number, since it uses less digits than its factorization.

7959188142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535 (or 1526 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 54.

The square root of 7959188142 is about 89214.2821637881. The cubic root of 7959188142 is about 1996.5932120262.

The spelling of 7959188142 in words is "seven billion, nine hundred fifty-nine million, one hundred eighty-eight thousand, one hundred forty-two".