87488986 has 8 divisors (see below), whose sum is σ = 141328404. Its totient is φ = 40379520.

The previous prime is 87488983. The next prime is 87489013. The reversal of 87488986 is 68988478.

It can be written as a sum of positive squares in 2 ways, for example, as 64496961 + 22992025 = 8031^2 + 4795^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 87488986.

It is not an unprimeable number, because it can be changed into a prime (87488981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1682455 + ... + 1682506.

Almost surely, 2^87488986 is an apocalyptic number.

87488986 is a deficient number, since it is larger than the sum of its proper divisors (53839418).

87488986 is a wasteful number, since it uses less digits than its factorization.

87488986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364976.

The product of its digits is 6193152, while the sum is 58.

The square root of 87488986 is about 9353.5547253437. The cubic root of 87488986 is about 443.9333727093.

The spelling of 87488986 in words is "eighty-seven million, four hundred eighty-eight thousand, nine hundred eighty-six".