66086888677 has 8 divisors (see below), whose sum is σ = 66149654400. Its totient is φ = 66024155040.

The previous prime is 66086888671. The next prime is 66086888683. The reversal of 66086888677 is 77688868066.

It is an interprime number because it is at equal distance from previous prime (66086888671) and next prime (66086888683).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66086888677 - 2³ = 66086888669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66086888671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6114324 + ... + 6125122.

It is an arithmetic number, because the mean of its divisors is an integer number (8268706800).

Almost surely, 2^66086888677 is an apocalyptic number.

It is an amenable number.

66086888677 is a deficient number, since it is larger than the sum of its proper divisors (62765723).

66086888677 is a wasteful number, since it uses less digits than its factorization.

66086888677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16043.

The product of its (nonzero) digits is 260112384, while the sum is 70.

The spelling of 66086888677 in words is "sixty-six billion, eighty-six million, eight hundred eighty-eight thousand, six hundred seventy-seven".