87542820922 has 16 divisors (see below), whose sum is σ = 131703782400. Its totient is φ = 43641641952.

The previous prime is 87542820907. The next prime is 87542820947. The reversal of 87542820922 is 22902824578.

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, 2316793 + ... + 2354275.

It is an arithmetic number, because the mean of its divisors is an integer number (8231486400).

Almost surely, 2^87542820922 is an apocalyptic number.

87542820922 is a deficient number, since it is larger than the sum of its proper divisors (44160961478).

87542820922 is a wasteful number, since it uses less digits than its factorization.

87542820922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40917.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 87542820922 in words is "eighty-seven billion, five hundred forty-two million, eight hundred twenty thousand, nine hundred twenty-two".