321045742777 has 8 divisors (see below), whose sum is σ = 324225252416. Its totient is φ = 317867436432.

The previous prime is 321045742769. The next prime is 321045742799. The reversal of 321045742777 is 777247540123.

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

It is a cyclic number.

It is not a de Polignac number, because 321045742777 - 2³ = 321045742769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321045742777.

It is not an unprimeable number, because it can be changed into a prime (321045742757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240223 + ... + 836539.

It is an arithmetic number, because the mean of its divisors is an integer number (40528156552).

Almost surely, 2^321045742777 is an apocalyptic number.

It is an amenable number.

321045742777 is a deficient number, since it is larger than the sum of its proper divisors (3179509639).

321045742777 is a wasteful number, since it uses less digits than its factorization.

321045742777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601647.

The product of its (nonzero) digits is 2304960, while the sum is 49.

The spelling of 321045742777 in words is "three hundred twenty-one billion, forty-five million, seven hundred forty-two thousand, seven hundred seventy-seven".