7791114542 has 4 divisors (see below), whose sum is σ = 11686671816. Its totient is φ = 3895557270.

The previous prime is 7791114523. The next prime is 7791114563. The reversal of 7791114542 is 2454111977.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 7791114542.

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 as a sum of consecutive naturals, namely, 1947778634 + ... + 1947778637.

It is an arithmetic number, because the mean of its divisors is an integer number (2921667954).

Almost surely, 2^7791114542 is an apocalyptic number.

7791114542 is a deficient number, since it is larger than the sum of its proper divisors (3895557274).

7791114542 is a wasteful number, since it uses less digits than its factorization.

7791114542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3895557273.

The product of its digits is 70560, while the sum is 41.

The square root of 7791114542 is about 88267.2903288642. The cubic root of 7791114542 is about 1982.4391378509.

The spelling of 7791114542 in words is "seven billion, seven hundred ninety-one million, one hundred fourteen thousand, five hundred forty-two".