88833278221 has 2 divisors, whose sum is σ = 88833278222. Its totient is φ = 88833278220.

The previous prime is 88833278153. The next prime is 88833278267. The reversal of 88833278221 is 12287233888.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84398384196 + 4434894025 = 290514^2 + 66595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88833278221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88833276221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44416639110 + 44416639111.

It is an arithmetic number, because the mean of its divisors is an integer number (44416639111).

Almost surely, 2^88833278221 is an apocalyptic number.

It is an amenable number.

88833278221 is a deficient number, since it is larger than the sum of its proper divisors (1).

88833278221 is an equidigital number, since it uses as much as digits as its factorization.

88833278221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2064384, while the sum is 52.

The spelling of 88833278221 in words is "eighty-eight billion, eight hundred thirty-three million, two hundred seventy-eight thousand, two hundred twenty-one".