272477985747885 has 12 divisors (see below), whose sum is σ = 472295175296412. Its totient is φ = 145321592398848.

The previous prime is 272477985747841. The next prime is 272477985747887. The reversal of 272477985747885 is 588747589774272.

It is a happy number.

272477985747885 is a `hidden beast` number, since 2 + 7 + 2 + 4 + 7 + 7 + 9 + 8 + 57 + 478 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 153584738770761 + 118893246977124 = 12392931^2 + 10903818^2 .

It is not a de Polignac number, because 272477985747885 - 2¹³ = 272477985739693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 272477985747795 and 272477985747804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272477985747887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3027533174932 + ... + 3027533175021.

It is an arithmetic number, because the mean of its divisors is an integer number (39357931274701).

Almost surely, 2^{272477985747885} is an apocalyptic number.

It is an amenable number.

272477985747885 is a deficient number, since it is larger than the sum of its proper divisors (199817189548527).

272477985747885 is a wasteful number, since it uses less digits than its factorization.

272477985747885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6055066349964 (or 6055066349961 counting only the distinct ones).

The product of its digits is 123914649600, while the sum is 90.

The spelling of 272477985747885 in words is "two hundred seventy-two trillion, four hundred seventy-seven billion, nine hundred eighty-five million, seven hundred forty-seven thousand, eight hundred eighty-five".