86845437 has 12 divisors (see below), whose sum is σ = 143364000. Its totient is φ = 49625928.

The previous prime is 86845427. The next prime is 86845439. The reversal of 86845437 is 73454868.

It is not a de Polignac number, because 86845437 - 2¹⁰ = 86844413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86845392 and 86845401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86845439) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 689187 + ... + 689312.

It is an arithmetic number, because the mean of its divisors is an integer number (11947000).

Almost surely, 2^86845437 is an apocalyptic number.

It is an amenable number.

86845437 is a deficient number, since it is larger than the sum of its proper divisors (56518563).

86845437 is a wasteful number, since it uses less digits than its factorization.

86845437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378512 (or 1378509 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 86845437 is about 9319.0899233777. The cubic root of 86845437 is about 442.8422020181.

The spelling of 86845437 in words is "eighty-six million, eight hundred forty-five thousand, four hundred thirty-seven".