76421341271215 has 4 divisors (see below), whose sum is σ = 91705609525464. Its totient is φ = 61137073016968.

The previous prime is 76421341271189. The next prime is 76421341271243. The reversal of 76421341271215 is 51217214312467.

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

It is a cyclic number.

It is not a de Polignac number, because 76421341271215 - 2¹¹ = 76421341269167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 7642134127117 + ... + 7642134127126.

It is an arithmetic number, because the mean of its divisors is an integer number (22926402381366).

Almost surely, 2^{76421341271215} is an apocalyptic number.

76421341271215 is a deficient number, since it is larger than the sum of its proper divisors (15284268254249).

76421341271215 is a wasteful number, since it uses less digits than its factorization.

76421341271215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15284268254248.

The product of its digits is 564480, while the sum is 46.

The spelling of 76421341271215 in words is "seventy-six trillion, four hundred twenty-one billion, three hundred forty-one million, two hundred seventy-one thousand, two hundred fifteen".