87328986 has 8 divisors (see below), whose sum is σ = 174657984. Its totient is φ = 29109660.

The previous prime is 87328973. The next prime is 87328987. The reversal of 87328986 is 68982378.

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

87328986 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (87328987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7277410 + ... + 7277421.

It is an arithmetic number, because the mean of its divisors is an integer number (21832248).

Almost surely, 2^87328986 is an apocalyptic number.

87328986 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.

87328986 is a wasteful number, since it uses less digits than its factorization.

87328986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14554836.

The product of its digits is 1161216, while the sum is 51.

The square root of 87328986 is about 9344.9979133224. The cubic root of 87328986 is about 443.6625855453.

The spelling of 87328986 in words is "eighty-seven million, three hundred twenty-eight thousand, nine hundred eighty-six".