87959787242 has 16 divisors (see below), whose sum is σ = 132108941952. Its totient is φ = 43923511440.

The previous prime is 87959787241. The next prime is 87959787247. The reversal of 87959787242 is 24278795978.

It is not an unprimeable number, because it can be changed into a prime (87959787241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5605067 + ... + 5620737.

It is an arithmetic number, because the mean of its divisors is an integer number (8256808872).

Almost surely, 2^87959787242 is an apocalyptic number.

87959787242 is a deficient number, since it is larger than the sum of its proper divisors (44149154710).

87959787242 is a wasteful number, since it uses less digits than its factorization.

87959787242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19093.

The product of its digits is 142248960, while the sum is 68.

The spelling of 87959787242 in words is "eighty-seven billion, nine hundred fifty-nine million, seven hundred eighty-seven thousand, two hundred forty-two".