86947950 has 24 divisors (see below), whose sum is σ = 215631288. Its totient is φ = 23186080.

The previous prime is 86947943. The next prime is 86947967. The reversal of 86947950 is 5974968.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 86947950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289677 + ... + 289976.

It is an arithmetic number, because the mean of its divisors is an integer number (8984637).

Almost surely, 2^86947950 is an apocalyptic number.

86947950 is an abundant number, since it is smaller than the sum of its proper divisors (128683338).

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

86947950 is a wasteful number, since it uses less digits than its factorization.

86947950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579668 (or 579663 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 86947950 is about 9324.5884627687. The cubic root of 86947950 is about 443.0163782465.

The spelling of 86947950 in words is "eighty-six million, nine hundred forty-seven thousand, nine hundred fifty".