321147207077 has 16 divisors (see below), whose sum is σ = 357989855040. Its totient is φ = 286304064768.

The previous prime is 321147207071. The next prime is 321147207079. The reversal of 321147207077 is 770702741123.

It is a cyclic number.

It is not a de Polignac number, because 321147207077 - 2²⁴ = 321130429861 is a prime.

It is a super-2 number, since 2×321147207077² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321147207071) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2132303 + ... + 2277939.

It is an arithmetic number, because the mean of its divisors is an integer number (22374365940).

Almost surely, 2^321147207077 is an apocalyptic number.

It is an amenable number.

321147207077 is a deficient number, since it is larger than the sum of its proper divisors (36842647963).

321147207077 is a wasteful number, since it uses less digits than its factorization.

321147207077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152500.

The product of its (nonzero) digits is 115248, while the sum is 41.

The spelling of 321147207077 in words is "three hundred twenty-one billion, one hundred forty-seven million, two hundred seven thousand, seventy-seven".