87428448776 has 96 divisors (see below), whose sum is σ = 188261241600. Its totient is φ = 37923240960.

The previous prime is 87428448743. The next prime is 87428448787. The reversal of 87428448776 is 67784482478.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1598441 + ... + 1652231.

It is an arithmetic number, because the mean of its divisors is an integer number (1961054600).

Almost surely, 2^87428448776 is an apocalyptic number.

It is an amenable number.

87428448776 is an abundant number, since it is smaller than the sum of its proper divisors (100832792824).

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

87428448776 is a wasteful number, since it uses less digits than its factorization.

87428448776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53887 (or 53866 counting only the distinct ones).

The product of its digits is 134873088, while the sum is 65.

The spelling of 87428448776 in words is "eighty-seven billion, four hundred twenty-eight million, four hundred forty-eight thousand, seven hundred seventy-six".