87145386 has 8 divisors (see below), whose sum is σ = 174290784. Its totient is φ = 29048460.

The previous prime is 87145363. The next prime is 87145403. The reversal of 87145386 is 68354178.

It is a sphenic number, since it is the product of 3 distinct primes.

87145386 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7262110 + ... + 7262121.

It is an arithmetic number, because the mean of its divisors is an integer number (21786348).

Almost surely, 2^87145386 is an apocalyptic number.

87145386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87145386 is a wasteful number, since it uses less digits than its factorization.

87145386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14524236.

The product of its digits is 161280, while the sum is 42.

The square root of 87145386 is about 9335.1693075166. The cubic root of 87145386 is about 443.3514494390.

The spelling of 87145386 in words is "eighty-seven million, one hundred forty-five thousand, three hundred eighty-six".