87742669522 has 8 divisors (see below), whose sum is σ = 138541057200. Its totient is φ = 41562317124.

The previous prime is 87742669519. The next prime is 87742669589. The reversal of 87742669522 is 22596624778.

It is a happy number.

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

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, 1154508772 + ... + 1154508847.

It is an arithmetic number, because the mean of its divisors is an integer number (17317632150).

Almost surely, 2^87742669522 is an apocalyptic number.

87742669522 is a deficient number, since it is larger than the sum of its proper divisors (50798387678).

87742669522 is a wasteful number, since it uses less digits than its factorization.

87742669522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309017640.

The product of its digits is 20321280, while the sum is 58.

The spelling of 87742669522 in words is "eighty-seven billion, seven hundred forty-two million, six hundred sixty-nine thousand, five hundred twenty-two".