172016577039 has 4 divisors (see below), whose sum is σ = 229355436056. Its totient is φ = 114677718024.

The previous prime is 172016577023. The next prime is 172016577101. The reversal of 172016577039 is 930775610271.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 172016577039 - 2⁴ = 172016577023 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 (172016573039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28669429504 + ... + 28669429509.

It is an arithmetic number, because the mean of its divisors is an integer number (57338859014).

Almost surely, 2^172016577039 is an apocalyptic number.

172016577039 is a deficient number, since it is larger than the sum of its proper divisors (57338859017).

172016577039 is an equidigital number, since it uses as much as digits as its factorization.

172016577039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57338859016.

The product of its (nonzero) digits is 555660, while the sum is 48.

The spelling of 172016577039 in words is "one hundred seventy-two billion, sixteen million, five hundred seventy-seven thousand, thirty-nine".