87031532871242 has 16 divisors (see below), whose sum is σ = 137137518979200. Its totient is φ = 41344422382032.

The previous prime is 87031532871221. The next prime is 87031532871247. The reversal of 87031532871242 is 24217823513078.

It is not an unprimeable number, because it can be changed into a prime (87031532871247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6348952358 + ... + 6348966065.

It is an arithmetic number, because the mean of its divisors is an integer number (8571094936200).

Almost surely, 2^{87031532871242} is an apocalyptic number.

87031532871242 is a deficient number, since it is larger than the sum of its proper divisors (50105986107958).

87031532871242 is a wasteful number, since it uses less digits than its factorization.

87031532871242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12697918597.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 87031532871242 in words is "eighty-seven trillion, thirty-one billion, five hundred thirty-two million, eight hundred seventy-one thousand, two hundred forty-two".