87182542 has 16 divisors (see below), whose sum is σ = 133531632. Its totient is φ = 42678720.

The previous prime is 87182479. The next prime is 87182549. The reversal of 87182542 is 24528178.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87182549) 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, 26893 + ... + 29959.

It is an arithmetic number, because the mean of its divisors is an integer number (8345727).

Almost surely, 2^87182542 is an apocalyptic number.

87182542 is a deficient number, since it is larger than the sum of its proper divisors (46349090).

87182542 is a wasteful number, since it uses less digits than its factorization.

87182542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363.

The product of its digits is 35840, while the sum is 37.

The square root of 87182542 is about 9337.1592039549. The cubic root of 87182542 is about 443.4144507696.

The spelling of 87182542 in words is "eighty-seven million, one hundred eighty-two thousand, five hundred forty-two".