72877547189219 has 2 divisors, whose sum is σ = 72877547189220. Its totient is φ = 72877547189218.

The previous prime is 72877547189207. The next prime is 72877547189257. The reversal of 72877547189219 is 91298174577827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72877547189219 - 2²⁰ = 72877546140643 is a prime.

It is a super-2 number, since 2×72877547189219² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72877547189219.

It is not a weakly prime, because it can be changed into another prime (72877547186219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36438773594609 + 36438773594610.

It is an arithmetic number, because the mean of its divisors is an integer number (36438773594610).

Almost surely, 2^{72877547189219} is an apocalyptic number.

72877547189219 is a deficient number, since it is larger than the sum of its proper divisors (1).

72877547189219 is an equidigital number, since it uses as much as digits as its factorization.

72877547189219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995742720, while the sum is 77.

The spelling of 72877547189219 in words is "seventy-two trillion, eight hundred seventy-seven billion, five hundred forty-seven million, one hundred eighty-nine thousand, two hundred nineteen".