86647437 has 12 divisors (see below), whose sum is σ = 126742720. Its totient is φ = 57033288.

The previous prime is 86647403. The next prime is 86647441. The reversal of 86647437 is 73474668.

It is not a de Polignac number, because 86647437 - 2¹² = 86643341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86647392 and 86647401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86647037) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 60223 + ... + 61644.

Almost surely, 2^86647437 is an apocalyptic number.

It is an amenable number.

86647437 is a deficient number, since it is larger than the sum of its proper divisors (40095283).

86647437 is a wasteful number, since it uses less digits than its factorization.

86647437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121952 (or 121949 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 86647437 is about 9308.4605064425. The cubic root of 86647437 is about 442.5053987659.

The spelling of 86647437 in words is "eighty-six million, six hundred forty-seven thousand, four hundred thirty-seven".