88072169 has 2 divisors, whose sum is σ = 88072170. Its totient is φ = 88072168.

The previous prime is 88072157. The next prime is 88072177. The reversal of 88072169 is 96127088.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47265625 + 40806544 = 6875^2 + 6388^2 .

It is a cyclic number.

It is not a de Polignac number, because 88072169 - 2⁸ = 88071913 is a prime.

It is a super-2 number, since 2×88072169² = 15513413904729122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (88072139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44036084 + 44036085.

It is an arithmetic number, because the mean of its divisors is an integer number (44036085).

Almost surely, 2^88072169 is an apocalyptic number.

It is an amenable number.

88072169 is a deficient number, since it is larger than the sum of its proper divisors (1).

88072169 is an equidigital number, since it uses as much as digits as its factorization.

88072169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 88072169 is about 9384.6773519392. The cubic root of 88072169 is about 444.9175776313.

The spelling of 88072169 in words is "eighty-eight million, seventy-two thousand, one hundred sixty-nine".