86146423855 has 16 divisors (see below), whose sum is σ = 105092588160. Its totient is φ = 67781822112.

The previous prime is 86146423837. The next prime is 86146423873. The reversal of 86146423855 is 55832464168.

It is an interprime number because it is at equal distance from previous prime (86146423837) and next prime (86146423873).

It is not a de Polignac number, because 86146423855 - 2¹¹ = 86146421807 is a prime.

It is a super-2 number, since 2×86146423855² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504849 + ... + 653578.

It is an arithmetic number, because the mean of its divisors is an integer number (6568286760).

Almost surely, 2^86146423855 is an apocalyptic number.

86146423855 is a deficient number, since it is larger than the sum of its proper divisors (18946164305).

86146423855 is a wasteful number, since it uses less digits than its factorization.

86146423855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158678.

The product of its digits is 5529600, while the sum is 52.

The spelling of 86146423855 in words is "eighty-six billion, one hundred forty-six million, four hundred twenty-three thousand, eight hundred fifty-five".