76641214667 has 4 divisors (see below), whose sum is σ = 76641868416. Its totient is φ = 76640560920.

The previous prime is 76641214649. The next prime is 76641214681.

It is a happy number.

76641214667 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 76641214667 - 2¹⁶ = 76641149131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76641214687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97259 + ... + 403412.

It is an arithmetic number, because the mean of its divisors is an integer number (19160467104).

Almost surely, 2^76641214667 is an apocalyptic number.

76641214667 is a deficient number, since it is larger than the sum of its proper divisors (653749).

76641214667 is a wasteful number, since it uses less digits than its factorization.

76641214667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653748.

The product of its digits is 2032128, while the sum is 50.

The spelling of 76641214667 in words is "seventy-six billion, six hundred forty-one million, two hundred fourteen thousand, six hundred sixty-seven".