854865042407 has 2 divisors, whose sum is σ = 854865042408. Its totient is φ = 854865042406.

The previous prime is 854865042329. The next prime is 854865042461. The reversal of 854865042407 is 704240568458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 854865042407 - 2¹⁶ = 854864976871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (854865042497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427432521203 + 427432521204.

It is an arithmetic number, because the mean of its divisors is an integer number (427432521204).

Almost surely, 2^854865042407 is an apocalyptic number.

854865042407 is a deficient number, since it is larger than the sum of its proper divisors (1).

854865042407 is an equidigital number, since it uses as much as digits as its factorization.

854865042407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8601600, while the sum is 53.

The spelling of 854865042407 in words is "eight hundred fifty-four billion, eight hundred sixty-five million, forty-two thousand, four hundred seven".