272317677661 has 4 divisors (see below), whose sum is σ = 272364241500. Its totient is φ = 272271113824.

The previous prime is 272317677607. The next prime is 272317677673. The reversal of 272317677661 is 166776713272.

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

It can be written as a sum of positive squares in 2 ways, for example, as 106429275225 + 165888402436 = 326235^2 + 407294^2 .

It is a cyclic number.

It is not a de Polignac number, because 272317677661 - 2¹³ = 272317669469 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 (272317077661) 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, 23273146 + ... + 23284843.

It is an arithmetic number, because the mean of its divisors is an integer number (68091060375).

Almost surely, 2^272317677661 is an apocalyptic number.

It is an amenable number.

272317677661 is a deficient number, since it is larger than the sum of its proper divisors (46563839).

272317677661 is an equidigital number, since it uses as much as digits as its factorization.

272317677661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46563838.

The product of its digits is 6223392, while the sum is 55.

The spelling of 272317677661 in words is "two hundred seventy-two billion, three hundred seventeen million, six hundred seventy-seven thousand, six hundred sixty-one".