88117271617 has 2 divisors, whose sum is σ = 88117271618. Its totient is φ = 88117271616.

The previous prime is 88117271587. The next prime is 88117271639. The reversal of 88117271617 is 71617271188.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86980165776 + 1137105841 = 294924^2 + 33721^2 .

It is a cyclic number.

It is not a de Polignac number, because 88117271617 - 2¹⁵ = 88117238849 is a prime.

It is not a weakly prime, because it can be changed into another prime (88117271677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44058635808 + 44058635809.

It is an arithmetic number, because the mean of its divisors is an integer number (44058635809).

Almost surely, 2^88117271617 is an apocalyptic number.

It is an amenable number.

88117271617 is a deficient number, since it is larger than the sum of its proper divisors (1).

88117271617 is an equidigital number, since it uses as much as digits as its factorization.

88117271617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 263424, while the sum is 49.

The spelling of 88117271617 in words is "eighty-eight billion, one hundred seventeen million, two hundred seventy-one thousand, six hundred seventeen".