8540722636907 has 2 divisors, whose sum is σ = 8540722636908. Its totient is φ = 8540722636906.

The previous prime is 8540722636877. The next prime is 8540722636969. The reversal of 8540722636907 is 7096362270458.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8540722636907 - 2⁶ = 8540722636843 is a prime.

It is not a weakly prime, because it can be changed into another prime (8540722636987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4270361318453 + 4270361318454.

It is an arithmetic number, because the mean of its divisors is an integer number (4270361318454).

Almost surely, 2^{8540722636907} is an apocalyptic number.

8540722636907 is a deficient number, since it is larger than the sum of its proper divisors (1).

8540722636907 is an equidigital number, since it uses as much as digits as its factorization.

8540722636907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30481920, while the sum is 59.

The spelling of 8540722636907 in words is "eight trillion, five hundred forty billion, seven hundred twenty-two million, six hundred thirty-six thousand, nine hundred seven".