86637133439 has 16 divisors (see below), whose sum is σ = 94234127328. Its totient is φ = 79318996992.

The previous prime is 86637133423. The next prime is 86637133441. The reversal of 86637133439 is 93433173668.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 86637133439 - 2⁴ = 86637133423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86637135439) 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, 3318812 + ... + 3344814.

It is an arithmetic number, because the mean of its divisors is an integer number (5889632958).

Almost surely, 2^86637133439 is an apocalyptic number.

86637133439 is a deficient number, since it is larger than the sum of its proper divisors (7596993889).

86637133439 is a wasteful number, since it uses less digits than its factorization.

86637133439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31354.

The product of its digits is 5878656, while the sum is 53.

The spelling of 86637133439 in words is "eighty-six billion, six hundred thirty-seven million, one hundred thirty-three thousand, four hundred thirty-nine".