87586853911 has 2 divisors, whose sum is σ = 87586853912. Its totient is φ = 87586853910.

The previous prime is 87586853819. The next prime is 87586853917. The reversal of 87586853911 is 11935868578.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87586853911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87586853911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87586853917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43793426955 + 43793426956.

It is an arithmetic number, because the mean of its divisors is an integer number (43793426956).

Almost surely, 2^87586853911 is an apocalyptic number.

87586853911 is a deficient number, since it is larger than the sum of its proper divisors (1).

87586853911 is an equidigital number, since it uses as much as digits as its factorization.

87586853911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14515200, while the sum is 61.

The spelling of 87586853911 in words is "eighty-seven billion, five hundred eighty-six million, eight hundred fifty-three thousand, nine hundred eleven".