87251920710 has 32 divisors (see below), whose sum is σ = 218509159680. Its totient is φ = 22255562208.

The previous prime is 87251920699. The next prime is 87251920801. The reversal of 87251920710 is 1702915278.

It is a super-3 number, since 3×87251920710³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63225340 + ... + 63226719.

It is an arithmetic number, because the mean of its divisors is an integer number (6828411240).

Almost surely, 2^87251920710 is an apocalyptic number.

87251920710 is an abundant number, since it is smaller than the sum of its proper divisors (131257238970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87251920710 is a wasteful number, since it uses less digits than its factorization.

87251920710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126452092.

The product of its (nonzero) digits is 70560, while the sum is 42.

The spelling of 87251920710 in words is "eighty-seven billion, two hundred fifty-one million, nine hundred twenty thousand, seven hundred ten".