79323432397 has 6 divisors (see below), whose sum is σ = 87190219214. Its totient is φ = 72112211160.

The previous prime is 79323432379. The next prime is 79323432413.

It is a happy number.

79323432397 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 42579909801 + 36743522596 = 206349^2 + 191686^2 .

It is not a de Polignac number, because 79323432397 - 2¹⁹ = 79322908109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79323432317) 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 5 ways as a sum of consecutive naturals, for example, 327782658 + ... + 327782899.

Almost surely, 2^79323432397 is an apocalyptic number.

It is an amenable number.

79323432397 is a deficient number, since it is larger than the sum of its proper divisors (7866786817).

79323432397 is a wasteful number, since it uses less digits than its factorization.

79323432397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655565579 (or 655565568 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 52.

The spelling of 79323432397 in words is "seventy-nine billion, three hundred twenty-three million, four hundred thirty-two thousand, three hundred ninety-seven".