86409235944 has 96 divisors (see below), whose sum is σ = 254975534400. Its totient is φ = 27108760320.

The previous prime is 86409235931. The next prime is 86409235993. The reversal of 86409235944 is 44953290468.

86409235944 is a `hidden beast` number, since 8 + 6 + 40 + 9 + 2 + 3 + 594 + 4 = 666.

It is a super-2 number, since 2×86409235944² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 629692 + ... + 754539.

It is an arithmetic number, because the mean of its divisors is an integer number (2655995150).

Almost surely, 2^86409235944 is an apocalyptic number.

It is an amenable number.

86409235944 is an abundant number, since it is smaller than the sum of its proper divisors (168566298456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86409235944 is a wasteful number, since it uses less digits than its factorization.

86409235944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384280 (or 1384253 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 86409235944 in words is "eighty-six billion, four hundred nine million, two hundred thirty-five thousand, nine hundred forty-four".