87148481 has 8 divisors (see below), whose sum is σ = 101717760. Its totient is φ = 73109088.

The previous prime is 87148447. The next prime is 87148489. The reversal of 87148481 is 18484178.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87148481 is a prime.

It is a super-2 number, since 2×87148481² = 15189715481214722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87148489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132116 + ... + 132773.

It is an arithmetic number, because the mean of its divisors is an integer number (12714720).

Almost surely, 2^87148481 is an apocalyptic number.

It is an amenable number.

87148481 is a deficient number, since it is larger than the sum of its proper divisors (14569279).

87148481 is a wasteful number, since it uses less digits than its factorization.

87148481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264943.

The product of its digits is 57344, while the sum is 41.

The square root of 87148481 is about 9335.3350770071. The cubic root of 87148481 is about 443.3566979728.

The spelling of 87148481 in words is "eighty-seven million, one hundred forty-eight thousand, four hundred eighty-one".