86255838058215 has 64 divisors (see below), whose sum is σ = 158464740252672. Its totient is φ = 39246691968000.

The previous prime is 86255838058193. The next prime is 86255838058241. The reversal of 86255838058215 is 51285083855268.

It is not a de Polignac number, because 86255838058215 - 2²⁹ = 86255301187303 is a prime.

It is a super-2 number, since 2×86255838058215² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18823009 + ... + 22952501.

It is an arithmetic number, because the mean of its divisors is an integer number (2476011566448).

Almost surely, 2^{86255838058215} is an apocalyptic number.

86255838058215 is a deficient number, since it is larger than the sum of its proper divisors (72208902194457).

86255838058215 is a wasteful number, since it uses less digits than its factorization.

86255838058215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130440.

The product of its (nonzero) digits is 184320000, while the sum is 66.

The spelling of 86255838058215 in words is "eighty-six trillion, two hundred fifty-five billion, eight hundred thirty-eight million, fifty-eight thousand, two hundred fifteen".