86518380 has 48 divisors (see below), whose sum is σ = 260888544. Its totient is φ = 21296640.

The previous prime is 86518361. The next prime is 86518391. The reversal of 86518380 is 8381568.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 15 ways as a sum of consecutive naturals, for example, 54681 + ... + 56240.

It is an arithmetic number, because the mean of its divisors is an integer number (5435178).

Almost surely, 2^86518380 is an apocalyptic number.

It is an amenable number.

86518380 is an abundant number, since it is smaller than the sum of its proper divisors (174370164).

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

86518380 is a wasteful number, since it uses less digits than its factorization.

86518380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110946 (or 110944 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 86518380 is about 9301.5256813063. The cubic root of 86518380 is about 442.2855930871.

The spelling of 86518380 in words is "eighty-six million, five hundred eighteen thousand, three hundred eighty".