86427550 has 24 divisors (see below), whose sum is σ = 175370472. Its totient is φ = 31428000.

The previous prime is 86427533. The next prime is 86427557. The reversal of 86427550 is 5572468.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86427557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78021 + ... + 79120.

It is an arithmetic number, because the mean of its divisors is an integer number (7307103).

Almost surely, 2^86427550 is an apocalyptic number.

86427550 is an abundant number, since it is smaller than the sum of its proper divisors (88942922).

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

86427550 is a wasteful number, since it uses less digits than its factorization.

86427550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157164 (or 157159 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 86427550 is about 9296.6418668248. The cubic root of 86427550 is about 442.1307633007.

The spelling of 86427550 in words is "eighty-six million, four hundred twenty-seven thousand, five hundred fifty".