87443087858 has 16 divisors (see below), whose sum is σ = 157792038720. Its totient is φ = 35503208496.

The previous prime is 87443087827. The next prime is 87443087861. The reversal of 87443087858 is 85878034478.

It is a super-2 number, since 2×87443087858² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87443087858.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164366441 + ... + 164366972.

It is an arithmetic number, because the mean of its divisors is an integer number (9862002420).

Almost surely, 2^87443087858 is an apocalyptic number.

87443087858 is a deficient number, since it is larger than the sum of its proper divisors (70348950862).

87443087858 is a wasteful number, since it uses less digits than its factorization.

87443087858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328733441.

The product of its (nonzero) digits is 48168960, while the sum is 62.

The spelling of 87443087858 in words is "eighty-seven billion, four hundred forty-three million, eighty-seven thousand, eight hundred fifty-eight".