86701662618 has 16 divisors (see below), whose sum is σ = 177632675136. Its totient is φ = 28195662560.

The previous prime is 86701662613. The next prime is 86701662647. The reversal of 86701662618 is 81626610768.

It is a super-2 number, since 2×86701662618² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (86701662611) 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, 176222646 + ... + 176223137.

It is an arithmetic number, because the mean of its divisors is an integer number (11102042196).

Almost surely, 2^86701662618 is an apocalyptic number.

86701662618 is an abundant number, since it is smaller than the sum of its proper divisors (90931012518).

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

86701662618 is a wasteful number, since it uses less digits than its factorization.

86701662618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352445829.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 86701662618 in words is "eighty-six billion, seven hundred one million, six hundred sixty-two thousand, six hundred eighteen".