87051260872 has 16 divisors (see below), whose sum is σ = 164837166300. Its totient is φ = 43094683200.

The previous prime is 87051260869. The next prime is 87051260929. The reversal of 87051260872 is 27806215078.

It can be written as a sum of positive squares in 2 ways, for example, as 55783826596 + 31267434276 = 236186^2 + 176826^2 .

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, 53867547 + ... + 53869162.

Almost surely, 2^87051260872 is an apocalyptic number.

It is an amenable number.

87051260872 is a deficient number, since it is larger than the sum of its proper divisors (77785905428).

87051260872 is a wasteful number, since it uses less digits than its factorization.

87051260872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107736816 (or 107736812 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 87051260872 in words is "eighty-seven billion, fifty-one million, two hundred sixty thousand, eight hundred seventy-two".