88273163581 has 2 divisors, whose sum is σ = 88273163582. Its totient is φ = 88273163580.

The previous prime is 88273163551. The next prime is 88273163669. The reversal of 88273163581 is 18536137288.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81758252356 + 6514911225 = 285934^2 + 80715^2 .

It is a cyclic number.

It is not a de Polignac number, because 88273163581 - 2⁷ = 88273163453 is a prime.

It is a super-2 number, since 2×88273163581² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88273163551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44136581790 + 44136581791.

It is an arithmetic number, because the mean of its divisors is an integer number (44136581791).

Almost surely, 2^88273163581 is an apocalyptic number.

It is an amenable number.

88273163581 is a deficient number, since it is larger than the sum of its proper divisors (1).

88273163581 is an equidigital number, since it uses as much as digits as its factorization.

88273163581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 52.

The spelling of 88273163581 in words is "eighty-eight billion, two hundred seventy-three million, one hundred sixty-three thousand, five hundred eighty-one".