72627111197 has 2 divisors, whose sum is σ = 72627111198. Its totient is φ = 72627111196.

The previous prime is 72627111181. The next prime is 72627111211. The reversal of 72627111197 is 79111172627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71752193956 + 874917241 = 267866^2 + 29579^2 .

It is an emirp because it is prime and its reverse (79111172627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72627111197 - 2⁴ = 72627111181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72627111397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36313555598 + 36313555599.

It is an arithmetic number, because the mean of its divisors is an integer number (36313555599).

Almost surely, 2^72627111197 is an apocalyptic number.

It is an amenable number.

72627111197 is a deficient number, since it is larger than the sum of its proper divisors (1).

72627111197 is an equidigital number, since it uses as much as digits as its factorization.

72627111197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74088, while the sum is 44.

The spelling of 72627111197 in words is "seventy-two billion, six hundred twenty-seven million, one hundred eleven thousand, one hundred ninety-seven".