72888811 has 2 divisors, whose sum is σ = 72888812. Its totient is φ = 72888810.

The previous prime is 72888773. The next prime is 72888841. The reversal of 72888811 is 11888827.

It is a strong prime.

It is an emirp because it is prime and its reverse (11888827) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72888811 - 2²³ = 64500203 is a prime.

It is not a weakly prime, because it can be changed into another prime (72888841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36444405 + 36444406.

It is an arithmetic number, because the mean of its divisors is an integer number (36444406).

Almost surely, 2^72888811 is an apocalyptic number.

72888811 is a deficient number, since it is larger than the sum of its proper divisors (1).

72888811 is an equidigital number, since it uses as much as digits as its factorization.

72888811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57344, while the sum is 43.

The square root of 72888811 is about 8537.4944216673. The cubic root of 72888811 is about 417.7216216117.

The spelling of 72888811 in words is "seventy-two million, eight hundred eighty-eight thousand, eight hundred eleven".