76777105321 has 8 divisors (see below), whose sum is σ = 92906749440. Its totient is φ = 61937832768.

The previous prime is 76777105283. The next prime is 76777105333. The reversal of 76777105321 is 12350177767.

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

It is not a de Polignac number, because 76777105321 - 2⁷ = 76777105193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76777105721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322592761 + ... + 322592998.

It is an arithmetic number, because the mean of its divisors is an integer number (11613343680).

Almost surely, 2^76777105321 is an apocalyptic number.

It is an amenable number.

76777105321 is a deficient number, since it is larger than the sum of its proper divisors (16129644119).

76777105321 is a wasteful number, since it uses less digits than its factorization.

76777105321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645185783.

The product of its (nonzero) digits is 432180, while the sum is 46.

The spelling of 76777105321 in words is "seventy-six billion, seven hundred seventy-seven million, one hundred five thousand, three hundred twenty-one".