88878860617 has 2 divisors, whose sum is σ = 88878860618. Its totient is φ = 88878860616.

The previous prime is 88878860563. The next prime is 88878860627. The reversal of 88878860617 is 71606887888.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88868975881 + 9884736 = 298109^2 + 3144^2 .

It is a cyclic number.

It is not a de Polignac number, because 88878860617 - 2³¹ = 86731376969 is a prime.

It is a super-2 number, since 2×88878860617² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (88878860627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44439430308 + 44439430309.

It is an arithmetic number, because the mean of its divisors is an integer number (44439430309).

Almost surely, 2^88878860617 is an apocalyptic number.

It is an amenable number.

88878860617 is a deficient number, since it is larger than the sum of its proper divisors (1).

88878860617 is an equidigital number, since it uses as much as digits as its factorization.

88878860617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57802752, while the sum is 67.

The spelling of 88878860617 in words is "eighty-eight billion, eight hundred seventy-eight million, eight hundred sixty thousand, six hundred seventeen".