79811475911962 has 8 divisors (see below), whose sum is σ = 119839001474016. Its totient is φ = 39865142087292.

The previous prime is 79811475911803. The next prime is 79811475911963. The reversal of 79811475911962 is 26911957411897.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 79811475911891 and 79811475911900.

It is not an unprimeable number, because it can be changed into a prime (79811475911963) 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 3 ways as a sum of consecutive naturals, for example, 20297931888 + ... + 20297935819.

It is an arithmetic number, because the mean of its divisors is an integer number (14979875184252).

Almost surely, 2^{79811475911962} is an apocalyptic number.

79811475911962 is a deficient number, since it is larger than the sum of its proper divisors (40027525562054).

79811475911962 is a wasteful number, since it uses less digits than its factorization.

79811475911962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40595868692.

The product of its digits is 68584320, while the sum is 70.

The spelling of 79811475911962 in words is "seventy-nine trillion, eight hundred eleven billion, four hundred seventy-five million, nine hundred eleven thousand, nine hundred sixty-two".