86158012 has 6 divisors (see below), whose sum is σ = 150776528. Its totient is φ = 43079004.

The previous prime is 86157997. The next prime is 86158013. The reversal of 86158012 is 21085168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86158013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10769748 + ... + 10769755.

Almost surely, 2^86158012 is an apocalyptic number.

It is an amenable number.

86158012 is a deficient number, since it is larger than the sum of its proper divisors (64618516).

86158012 is a wasteful number, since it uses less digits than its factorization.

86158012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21539507 (or 21539505 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 86158012 is about 9282.1340218723. The cubic root of 86158012 is about 441.6706664089.

The spelling of 86158012 in words is "eighty-six million, one hundred fifty-eight thousand, twelve".