87542422 has 8 divisors (see below), whose sum is σ = 143251272. Its totient is φ = 39792000.

The previous prime is 87542383. The next prime is 87542431. The reversal of 87542422 is 22424578.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1989579 + ... + 1989622.

It is an arithmetic number, because the mean of its divisors is an integer number (17906409).

Almost surely, 2^87542422 is an apocalyptic number.

87542422 is a deficient number, since it is larger than the sum of its proper divisors (55708850).

87542422 is a wasteful number, since it uses less digits than its factorization.

87542422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979214.

The product of its digits is 35840, while the sum is 34.

The square root of 87542422 is about 9356.4107434422. The cubic root of 87542422 is about 444.0237353056.

The spelling of 87542422 in words is "eighty-seven million, five hundred forty-two thousand, four hundred twenty-two".