72788486191 has 2 divisors, whose sum is σ = 72788486192. Its totient is φ = 72788486190.

The previous prime is 72788486189. The next prime is 72788486201. The reversal of 72788486191 is 19168488727.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72788486191 - 2¹ = 72788486189 is a prime.

Together with 72788486189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72788486161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36394243095 + 36394243096.

It is an arithmetic number, because the mean of its divisors is an integer number (36394243096).

Almost surely, 2^72788486191 is an apocalyptic number.

72788486191 is a deficient number, since it is larger than the sum of its proper divisors (1).

72788486191 is an equidigital number, since it uses as much as digits as its factorization.

72788486191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10838016, while the sum is 61.

The spelling of 72788486191 in words is "seventy-two billion, seven hundred eighty-eight million, four hundred eighty-six thousand, one hundred ninety-one".