86436572153 has 2 divisors, whose sum is σ = 86436572154. Its totient is φ = 86436572152.

The previous prime is 86436572119. The next prime is 86436572171. The reversal of 86436572153 is 35127563468.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86313739264 + 122832889 = 293792^2 + 11083^2 .

It is a cyclic number.

It is not a de Polignac number, because 86436572153 - 2²² = 86432377849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (86436512153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43218286076 + 43218286077.

It is an arithmetic number, because the mean of its divisors is an integer number (43218286077).

Almost surely, 2^86436572153 is an apocalyptic number.

It is an amenable number.

86436572153 is a deficient number, since it is larger than the sum of its proper divisors (1).

86436572153 is an equidigital number, since it uses as much as digits as its factorization.

86436572153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 50.

The spelling of 86436572153 in words is "eighty-six billion, four hundred thirty-six million, five hundred seventy-two thousand, one hundred fifty-three".