8540020969387 has 16 divisors (see below), whose sum is σ = 9076125440160. Its totient is φ = 8020164595968.

The previous prime is 8540020969331. The next prime is 8540020969433. The reversal of 8540020969387 is 7839690200458.

It is a cyclic number.

It is not a de Polignac number, because 8540020969387 - 2²⁷ = 8539886751659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8540020969087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2170983 + ... + 4668319.

It is an arithmetic number, because the mean of its divisors is an integer number (567257840010).

Almost surely, 2^{8540020969387} is an apocalyptic number.

8540020969387 is a deficient number, since it is larger than the sum of its proper divisors (536104470773).

8540020969387 is a wasteful number, since it uses less digits than its factorization.

8540020969387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500590.

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 8540020969387 in words is "eight trillion, five hundred forty billion, twenty million, nine hundred sixty-nine thousand, three hundred eighty-seven".