672543545345277 has 16 divisors (see below), whose sum is σ = 943949508418560. Its totient is φ = 424751410068912.

The previous prime is 672543545345213. The next prime is 672543545345293. The reversal of 672543545345277 is 772543545345276.

It is not a de Polignac number, because 672543545345277 - 2⁶ = 672543545345213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672543545345297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177755413 + ... + 181499514.

It is an arithmetic number, because the mean of its divisors is an integer number (58996844276160).

Almost surely, 2^{672543545345277} is an apocalyptic number.

It is an amenable number.

672543545345277 is a deficient number, since it is larger than the sum of its proper divisors (271405963073283).

672543545345277 is a wasteful number, since it uses less digits than its factorization.

672543545345277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359287792.

The product of its digits is 2963520000, while the sum is 69.

Subtracting 672543545345277 from its reverse (772543545345276), we obtain a palindrome (99999999999999).

The spelling of 672543545345277 in words is "six hundred seventy-two trillion, five hundred forty-three billion, five hundred forty-five million, three hundred forty-five thousand, two hundred seventy-seven".