88572228691 has 2 divisors, whose sum is σ = 88572228692. Its totient is φ = 88572228690.

The previous prime is 88572228571. The next prime is 88572228713. The reversal of 88572228691 is 19682227588.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88572228691 is a prime.

It is not a weakly prime, because it can be changed into another prime (88572228091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44286114345 + 44286114346.

It is an arithmetic number, because the mean of its divisors is an integer number (44286114346).

Almost surely, 2^88572228691 is an apocalyptic number.

88572228691 is a deficient number, since it is larger than the sum of its proper divisors (1).

88572228691 is an equidigital number, since it uses as much as digits as its factorization.

88572228691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7741440, while the sum is 58.

The spelling of 88572228691 in words is "eighty-eight billion, five hundred seventy-two million, two hundred twenty-eight thousand, six hundred ninety-one".