88161289 has 2 divisors, whose sum is σ = 88161290. Its totient is φ = 88161288.

The previous prime is 88161257. The next prime is 88161301. The reversal of 88161289 is 98216188.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68757264 + 19404025 = 8292^2 + 4405^2 .

It is a cyclic number.

It is not a de Polignac number, because 88161289 - 2⁵ = 88161257 is a prime.

It is not a weakly prime, because it can be changed into another prime (88161209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44080644 + 44080645.

It is an arithmetic number, because the mean of its divisors is an integer number (44080645).

Almost surely, 2^88161289 is an apocalyptic number.

It is an amenable number.

88161289 is a deficient number, since it is larger than the sum of its proper divisors (1).

88161289 is an equidigital number, since it uses as much as digits as its factorization.

88161289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 43.

The square root of 88161289 is about 9389.4243167513. The cubic root of 88161289 is about 445.0675973565.

The spelling of 88161289 in words is "eighty-eight million, one hundred sixty-one thousand, two hundred eighty-nine".