87471796740 has 96 divisors (see below), whose sum is σ = 245626698240. Its totient is φ = 23258726400.

The previous prime is 87471796723. The next prime is 87471796747. The reversal of 87471796740 is 4769717478.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (87471796747) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 42032500 + ... + 42034580.

It is an arithmetic number, because the mean of its divisors is an integer number (2558611440).

Almost surely, 2^87471796740 is an apocalyptic number.

It is an amenable number.

87471796740 is an abundant number, since it is smaller than the sum of its proper divisors (158154901500).

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

87471796740 is a wasteful number, since it uses less digits than its factorization.

87471796740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773 (or 3771 counting only the distinct ones).

The product of its (nonzero) digits is 16595712, while the sum is 60.

The spelling of 87471796740 in words is "eighty-seven billion, four hundred seventy-one million, seven hundred ninety-six thousand, seven hundred forty".