86124031869 has 16 divisors (see below), whose sum is σ = 117950415552. Its totient is φ = 55857224448.

The previous prime is 86124031867. The next prime is 86124031927. The reversal of 86124031869 is 96813042168.

It is not a de Polignac number, because 86124031869 - 2¹ = 86124031867 is a prime.

It is a super-2 number, since 2×86124031869² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86124031867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 927262 + ... + 1015904.

It is an arithmetic number, because the mean of its divisors is an integer number (7371900972).

Almost surely, 2^86124031869 is an apocalyptic number.

It is an amenable number.

86124031869 is a deficient number, since it is larger than the sum of its proper divisors (31826383683).

86124031869 is a wasteful number, since it uses less digits than its factorization.

86124031869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97436.

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 86124031869 in words is "eighty-six billion, one hundred twenty-four million, thirty-one thousand, eight hundred sixty-nine".