7916342991 has 8 divisors (see below), whose sum is σ = 10712663424. Its totient is φ = 5198792280.

The previous prime is 7916342977. The next prime is 7916342999. The reversal of 7916342991 is 1992436197.

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

It is not a de Polignac number, because 7916342991 - 2⁹ = 7916342479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7916342999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19692195 + ... + 19692596.

It is an arithmetic number, because the mean of its divisors is an integer number (1339082928).

Almost surely, 2^7916342991 is an apocalyptic number.

7916342991 is a deficient number, since it is larger than the sum of its proper divisors (2796320433).

7916342991 is a wasteful number, since it uses less digits than its factorization.

7916342991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39384861.

The product of its digits is 734832, while the sum is 51.

The square root of 7916342991 is about 88973.8331814472. The cubic root of 7916342991 is about 1993.0041400880.

The spelling of 7916342991 in words is "seven billion, nine hundred sixteen million, three hundred forty-two thousand, nine hundred ninety-one".