86256358553 has 2 divisors, whose sum is σ = 86256358554. Its totient is φ = 86256358552.

The previous prime is 86256358493. The next prime is 86256358577. The reversal of 86256358553 is 35585365268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65373796489 + 20882562064 = 255683^2 + 144508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86256358553 is a prime.

It is not a weakly prime, because it can be changed into another prime (86256358583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43128179276 + 43128179277.

It is an arithmetic number, because the mean of its divisors is an integer number (43128179277).

Almost surely, 2^86256358553 is an apocalyptic number.

It is an amenable number.

86256358553 is a deficient number, since it is larger than the sum of its proper divisors (1).

86256358553 is an equidigital number, since it uses as much as digits as its factorization.

86256358553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920000, while the sum is 56.

The spelling of 86256358553 in words is "eighty-six billion, two hundred fifty-six million, three hundred fifty-eight thousand, five hundred fifty-three".