87728654496 has 384 divisors, whose sum is σ = 289817740800. Its totient is φ = 23137959936.

The previous prime is 87728654471. The next prime is 87728654527. The reversal of 87728654496 is 69445682778.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29666650 + ... + 29669606.

It is an arithmetic number, because the mean of its divisors is an integer number (754733700).

Almost surely, 2^87728654496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87728654496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144908870400).

87728654496 is an abundant number, since it is smaller than the sum of its proper divisors (202089086304).

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

87728654496 is a wasteful number, since it uses less digits than its factorization.

87728654496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061 (or 3039 counting only the distinct ones).

The product of its digits is 162570240, while the sum is 66.

The spelling of 87728654496 in words is "eighty-seven billion, seven hundred twenty-eight million, six hundred fifty-four thousand, four hundred ninety-six".