86969750 has 32 divisors (see below), whose sum is σ = 186069312. Its totient is φ = 29817600.

The previous prime is 86969747. The next prime is 86969761. The reversal of 86969750 is 5796968.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23099 + ... + 26598.

It is an arithmetic number, because the mean of its divisors is an integer number (5814666).

Almost surely, 2^86969750 is an apocalyptic number.

86969750 is an abundant number, since it is smaller than the sum of its proper divisors (99099562).

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

86969750 is a wasteful number, since it uses less digits than its factorization.

86969750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49721 (or 49711 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 86969750 is about 9325.7573418999. The cubic root of 86969750 is about 443.0534002043.

The spelling of 86969750 in words is "eighty-six million, nine hundred sixty-nine thousand, seven hundred fifty".