88280069 has 2 divisors, whose sum is σ = 88280070. Its totient is φ = 88280068.

The previous prime is 88280063. The next prime is 88280077. The reversal of 88280069 is 96008288.

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., 85840225 + 2439844 = 9265^2 + 1562^2 .

It is a cyclic number.

It is not a de Polignac number, because 88280069 - 2¹² = 88275973 is a prime.

It is a super-2 number, since 2×88280069² = 15586741165289522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88280063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44140034 + 44140035.

It is an arithmetic number, because the mean of its divisors is an integer number (44140035).

Almost surely, 2^88280069 is an apocalyptic number.

It is an amenable number.

88280069 is a deficient number, since it is larger than the sum of its proper divisors (1).

88280069 is an equidigital number, since it uses as much as digits as its factorization.

88280069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 88280069 is about 9395.7473891117. The cubic root of 88280069 is about 445.2673880120.

The spelling of 88280069 in words is "eighty-eight million, two hundred eighty thousand, sixty-nine".