172591267679 has 8 divisors (see below), whose sum is σ = 174428846592. Its totient is φ = 170763185880.

The previous prime is 172591267631. The next prime is 172591267741. The reversal of 172591267679 is 976762195271.

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 172591267679 - 2¹² = 172591263583 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 (172591267579) 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, 2337737 + ... + 2410434.

It is an arithmetic number, because the mean of its divisors is an integer number (21803605824).

Almost surely, 2^172591267679 is an apocalyptic number.

172591267679 is a deficient number, since it is larger than the sum of its proper divisors (1837578913).

172591267679 is a wasteful number, since it uses less digits than its factorization.

172591267679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4748557.

The product of its digits is 20003760, while the sum is 62.

The spelling of 172591267679 in words is "one hundred seventy-two billion, five hundred ninety-one million, two hundred sixty-seven thousand, six hundred seventy-nine".