86538380 has 24 divisors (see below), whose sum is σ = 181939632. Its totient is φ = 34575552.

The previous prime is 86538377. The next prime is 86538409. The reversal of 86538380 is 8383568.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20534 + ... + 24386.

It is an arithmetic number, because the mean of its divisors is an integer number (7580818).

Almost surely, 2^86538380 is an apocalyptic number.

It is an amenable number.

86538380 is an abundant number, since it is smaller than the sum of its proper divisors (95401252).

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

86538380 is a wasteful number, since it uses less digits than its factorization.

86538380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4985 (or 4983 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 86538380 is about 9302.6007116290. The cubic root of 86538380 is about 442.3196707415.

The spelling of 86538380 in words is "eighty-six million, five hundred thirty-eight thousand, three hundred eighty".