7962121679 has 8 divisors (see below), whose sum is σ = 8082969600. Its totient is φ = 7841333016.

The previous prime is 7962121639. The next prime is 7962121829. The reversal of 7962121679 is 9761212697.

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

It is a cyclic number.

It is not a de Polignac number, because 7962121679 - 2¹⁶ = 7962056143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7962121639) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 309152 + ... + 333914.

It is an arithmetic number, because the mean of its divisors is an integer number (1010371200).

Almost surely, 2^7962121679 is an apocalyptic number.

7962121679 is a deficient number, since it is larger than the sum of its proper divisors (120847921).

7962121679 is a wasteful number, since it uses less digits than its factorization.

7962121679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29629.

The product of its digits is 571536, while the sum is 50.

The square root of 7962121679 is about 89230.7216097685. The cubic root of 7962121679 is about 1996.8384782735.

The spelling of 7962121679 in words is "seven billion, nine hundred sixty-two million, one hundred twenty-one thousand, six hundred seventy-nine".