86666764758 has 32 divisors (see below), whose sum is σ = 198771584256. Its totient is φ = 24677417568.

The previous prime is 86666764757. The next prime is 86666764831. The reversal of 86666764758 is 85746766668.

It is a super-2 number, since 2×86666764758² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86666764692 and 86666764701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86666764757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3509016 + ... + 3533627.

It is an arithmetic number, because the mean of its divisors is an integer number (6211612008).

Almost surely, 2^86666764758 is an apocalyptic number.

86666764758 is an abundant number, since it is smaller than the sum of its proper divisors (112104819498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86666764758 is a wasteful number, since it uses less digits than its factorization.

86666764758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7042948.

The product of its digits is 487710720, while the sum is 69.

The spelling of 86666764758 in words is "eighty-six billion, six hundred sixty-six million, seven hundred sixty-four thousand, seven hundred fifty-eight".