18596478871 has 2 divisors, whose sum is σ = 18596478872. Its totient is φ = 18596478870.

The previous prime is 18596478841. The next prime is 18596478899. The reversal of 18596478871 is 17887469581.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18596478871 - 2¹³ = 18596470679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18596478841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9298239435 + 9298239436.

It is an arithmetic number, because the mean of its divisors is an integer number (9298239436).

Almost surely, 2^18596478871 is an apocalyptic number.

18596478871 is a deficient number, since it is larger than the sum of its proper divisors (1).

18596478871 is an equidigital number, since it uses as much as digits as its factorization.

18596478871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27095040, while the sum is 64.

The spelling of 18596478871 in words is "eighteen billion, five hundred ninety-six million, four hundred seventy-eight thousand, eight hundred seventy-one".