79303000321 has 8 divisors (see below), whose sum is σ = 82252727784. Its totient is φ = 76395715200.

The previous prime is 79303000277. The next prime is 79303000327. The reversal of 79303000321 is 12300030397.

It can be written as a sum of positive squares in 4 ways, for example, as 48865313025 + 30437687296 = 221055^2 + 174464^2 .

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 79303000321 - 2⁷ = 79303000193 is a prime.

It is a super-2 number, since 2×79303000321² (a number of 23 digits) contains 22 as substring.

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 79303000321.

It is not an unprimeable number, because it can be changed into a prime (79303000327) 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, 10606780 + ... + 10614253.

It is an arithmetic number, because the mean of its divisors is an integer number (10281590973).

Almost surely, 2^79303000321 is an apocalyptic number.

It is an amenable number.

79303000321 is a deficient number, since it is larger than the sum of its proper divisors (2949727463).

79303000321 is a wasteful number, since it uses less digits than its factorization.

79303000321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21221171.

The product of its (nonzero) digits is 3402, while the sum is 28.

The spelling of 79303000321 in words is "seventy-nine billion, three hundred three million, three hundred twenty-one", and thus it is an aban number.