86669428617 has 12 divisors (see below), whose sum is σ = 125281175604. Its totient is φ = 57737157120.

The previous prime is 86669428613. The next prime is 86669428619. The reversal of 86669428617 is 71682496668.

It can be written as a sum of positive squares in 2 ways, for example, as 14582011536 + 72087417081 = 120756^2 + 268491^2 .

It is not a de Polignac number, because 86669428617 - 2² = 86669428613 is a prime.

It is a super-3 number, since 3×86669428617³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (86669428613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3525568 + ... + 3550065.

It is an arithmetic number, because the mean of its divisors is an integer number (10440097967).

Almost surely, 2^86669428617 is an apocalyptic number.

It is an amenable number.

86669428617 is a deficient number, since it is larger than the sum of its proper divisors (38611746987).

86669428617 is a wasteful number, since it uses less digits than its factorization.

86669428617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7077000 (or 7076997 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 86669428617 in words is "eighty-six billion, six hundred sixty-nine million, four hundred twenty-eight thousand, six hundred seventeen".