87148272 has 40 divisors (see below), whose sum is σ = 230374144. Its totient is φ = 28373184.

The previous prime is 87148261. The next prime is 87148279. The reversal of 87148272 is 27284178.

It is a self number, because there is not a number n which added to its sum of digits gives 87148272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87148279) 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, 19048 + ... + 23175.

Almost surely, 2^87148272 is an apocalyptic number.

It is an amenable number.

87148272 is an abundant number, since it is smaller than the sum of its proper divisors (143225872).

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

87148272 is a wasteful number, since it uses less digits than its factorization.

87148272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42277 (or 42271 counting only the distinct ones).

The product of its digits is 50176, while the sum is 39.

The square root of 87148272 is about 9335.3238829727. The cubic root of 87148272 is about 443.3563435523.

The spelling of 87148272 in words is "eighty-seven million, one hundred forty-eight thousand, two hundred seventy-two".