76644330422 has 16 divisors (see below), whose sum is σ = 125529123600. Its totient is φ = 34807463040.

The previous prime is 76644330317. The next prime is 76644330437. The reversal of 76644330422 is 22403344667.

It is a self number, because there is not a number n which added to its sum of digits gives 76644330422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1518047 + ... + 1567722.

It is an arithmetic number, because the mean of its divisors is an integer number (7845570225).

Almost surely, 2^76644330422 is an apocalyptic number.

76644330422 is a deficient number, since it is larger than the sum of its proper divisors (48884793178).

76644330422 is a wasteful number, since it uses less digits than its factorization.

76644330422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086911.

The product of its (nonzero) digits is 580608, while the sum is 41.

The spelling of 76644330422 in words is "seventy-six billion, six hundred forty-four million, three hundred thirty thousand, four hundred twenty-two".