87572842 has 8 divisors (see below), whose sum is σ = 150124896. Its totient is φ = 37531212.

The previous prime is 87572839. The next prime is 87572851. The reversal of 87572842 is 24827578.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3127588 + ... + 3127615.

It is an arithmetic number, because the mean of its divisors is an integer number (18765612).

Almost surely, 2^87572842 is an apocalyptic number.

87572842 is a deficient number, since it is larger than the sum of its proper divisors (62552054).

87572842 is a wasteful number, since it uses less digits than its factorization.

87572842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6255212.

The product of its digits is 250880, while the sum is 43.

The square root of 87572842 is about 9358.0362256191. The cubic root of 87572842 is about 444.0751604222.

The spelling of 87572842 in words is "eighty-seven million, five hundred seventy-two thousand, eight hundred forty-two".