86089808838 has 16 divisors (see below), whose sum is σ = 187832310336. Its totient is φ = 26087820840.

The previous prime is 86089808837. The next prime is 86089808839. The reversal of 86089808838 is 83880898068.

It is an interprime number because it is at equal distance from previous prime (86089808837) and next prime (86089808839).

It is a super-2 number, since 2×86089808838² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66), and also a Moran number because the ratio is a prime number: 1304391043 = 86089808838 / (8 + 6 + 0 + 8 + 9 + 8 + 0 + 8 + 8 + 3 + 8).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86089808837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652195456 + ... + 652195587.

It is an arithmetic number, because the mean of its divisors is an integer number (11739519396).

Almost surely, 2^86089808838 is an apocalyptic number.

86089808838 is an abundant number, since it is smaller than the sum of its proper divisors (101742501498).

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

86089808838 is a wasteful number, since it uses less digits than its factorization.

86089808838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304391059.

The product of its (nonzero) digits is 42467328, while the sum is 66.

The spelling of 86089808838 in words is "eighty-six billion, eighty-nine million, eight hundred eight thousand, eight hundred thirty-eight".