86256225338501 has 4 divisors (see below), whose sum is σ = 88587474672012. Its totient is φ = 83924976004992.

The previous prime is 86256225338471. The next prime is 86256225338509. The reversal of 86256225338501 is 10583352265268.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77545900180225 + 8710325158276 = 8806015^2 + 2951326^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86256225338501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86256225338509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1165624666700 + ... + 1165624666773.

It is an arithmetic number, because the mean of its divisors is an integer number (22146868668003).

Almost surely, 2^{86256225338501} is an apocalyptic number.

It is an amenable number.

86256225338501 is a deficient number, since it is larger than the sum of its proper divisors (2331249333511).

86256225338501 is a wasteful number, since it uses less digits than its factorization.

86256225338501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2331249333510.

The product of its (nonzero) digits is 20736000, while the sum is 56.

The spelling of 86256225338501 in words is "eighty-six trillion, two hundred fifty-six billion, two hundred twenty-five million, three hundred thirty-eight thousand, five hundred one".