72060545677 has 2 divisors, whose sum is σ = 72060545678. Its totient is φ = 72060545676.

The previous prime is 72060545671. The next prime is 72060545701. The reversal of 72060545677 is 77654506027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59260112356 + 12800433321 = 243434^2 + 113139^2 .

It is a cyclic number.

It is not a de Polignac number, because 72060545677 - 2²³ = 72052157069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72060545677.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72060545671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36030272838 + 36030272839.

It is an arithmetic number, because the mean of its divisors is an integer number (36030272839).

Almost surely, 2^72060545677 is an apocalyptic number.

It is an amenable number.

72060545677 is a deficient number, since it is larger than the sum of its proper divisors (1).

72060545677 is an equidigital number, since it uses as much as digits as its factorization.

72060545677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2469600, while the sum is 49.

The spelling of 72060545677 in words is "seventy-two billion, sixty million, five hundred forty-five thousand, six hundred seventy-seven".