86973550 has 12 divisors (see below), whose sum is σ = 161770896. Its totient is φ = 34789400.

The previous prime is 86973539. The next prime is 86973589. The reversal of 86973550 is 5537968.

It is a junction number, because it is equal to n+sod(n) for n = 86973497 and 86973506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 869686 + ... + 869785.

It is an arithmetic number, because the mean of its divisors is an integer number (13480908).

Almost surely, 2^86973550 is an apocalyptic number.

86973550 is a deficient number, since it is larger than the sum of its proper divisors (74797346).

86973550 is a wasteful number, since it uses less digits than its factorization.

86973550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739483 (or 1739478 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 86973550 is about 9325.9610764789. The cubic root of 86973550 is about 443.0598529399.

The spelling of 86973550 in words is "eighty-six million, nine hundred seventy-three thousand, five hundred fifty".