86739144 has 32 divisors (see below), whose sum is σ = 217563840. Its totient is φ = 28817600.

The previous prime is 86739119. The next prime is 86739173. The reversal of 86739144 is 44193768.

It is a junction number, because it is equal to n+sod(n) for n = 86739096 and 86739105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1654 + ... + 13274.

It is an arithmetic number, because the mean of its divisors is an integer number (6798870).

Almost surely, 2^86739144 is an apocalyptic number.

It is an amenable number.

86739144 is an abundant number, since it is smaller than the sum of its proper divisors (130824696).

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

86739144 is a wasteful number, since it uses less digits than its factorization.

86739144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11941 (or 11937 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 86739144 is about 9313.3852062502. The cubic root of 86739144 is about 442.6614585241.

The spelling of 86739144 in words is "eighty-six million, seven hundred thirty-nine thousand, one hundred forty-four".