87281376576 has 56 divisors (see below), whose sum is σ = 231810177984. Its totient is φ = 28983152640.

The previous prime is 87281376569. The next prime is 87281376577. The reversal of 87281376576 is 67567318278.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87281376577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 813745 + ... + 914736.

It is an arithmetic number, because the mean of its divisors is an integer number (4139467464).

Almost surely, 2^87281376576 is an apocalyptic number.

It is an amenable number.

87281376576 is an abundant number, since it is smaller than the sum of its proper divisors (144528801408).

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

87281376576 is a wasteful number, since it uses less digits than its factorization.

87281376576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728759 (or 1728749 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 60.

The spelling of 87281376576 in words is "eighty-seven billion, two hundred eighty-one million, three hundred seventy-six thousand, five hundred seventy-six".