987159380242 has 64 divisors (see below), whose sum is σ = 1771539185664. Its totient is φ = 403372569600.

The previous prime is 987159380197. The next prime is 987159380257. The reversal of 987159380242 is 242083951789.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138041367 + ... + 138048517.

It is an arithmetic number, because the mean of its divisors is an integer number (27680299776).

Almost surely, 2^987159380242 is an apocalyptic number.

987159380242 is a deficient number, since it is larger than the sum of its proper divisors (784379805422).

987159380242 is a wasteful number, since it uses less digits than its factorization.

987159380242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8503.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 987159380242 in words is "nine hundred eighty-seven billion, one hundred fifty-nine million, three hundred eighty thousand, two hundred forty-two".