86645603140 has 24 divisors (see below), whose sum is σ = 182305031832. Its totient is φ = 34591714560.

The previous prime is 86645603129. The next prime is 86645603141. The reversal of 86645603140 is 4130654668.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15198451524 + 71447151616 = 123282^2 + 267296^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (86645603141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4147239 + ... + 4168078.

It is an arithmetic number, because the mean of its divisors is an integer number (7596042993).

Almost surely, 2^86645603140 is an apocalyptic number.

It is an amenable number.

86645603140 is an abundant number, since it is smaller than the sum of its proper divisors (95659428692).

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

86645603140 is a wasteful number, since it uses less digits than its factorization.

86645603140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8315847 (or 8315845 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 86645603140 in words is "eighty-six billion, six hundred forty-five million, six hundred three thousand, one hundred forty".