86701749686 has 4 divisors (see below), whose sum is σ = 130052624532. Its totient is φ = 43350874842.

The previous prime is 86701749683. The next prime is 86701749697. The reversal of 86701749686 is 68694710768.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×86701749686² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86701749683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21675437420 + ... + 21675437423.

It is an arithmetic number, because the mean of its divisors is an integer number (32513156133).

Almost surely, 2^86701749686 is an apocalyptic number.

86701749686 is a deficient number, since it is larger than the sum of its proper divisors (43350874846).

86701749686 is a wasteful number, since it uses less digits than its factorization.

86701749686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43350874845.

The product of its (nonzero) digits is 24385536, while the sum is 62.

The spelling of 86701749686 in words is "eighty-six billion, seven hundred one million, seven hundred forty-nine thousand, six hundred eighty-six".