87428703572 has 24 divisors (see below), whose sum is σ = 185143137984. Its totient is φ = 35265359232.

The previous prime is 87428703569. The next prime is 87428703599. The reversal of 87428703572 is 27530782478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91836398 + ... + 91837349.

It is an arithmetic number, because the mean of its divisors is an integer number (7714297416).

Almost surely, 2^87428703572 is an apocalyptic number.

It is an amenable number.

87428703572 is an abundant number, since it is smaller than the sum of its proper divisors (97714434412).

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

87428703572 is a wasteful number, since it uses less digits than its factorization.

87428703572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183673775 (or 183673773 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 53.

The spelling of 87428703572 in words is "eighty-seven billion, four hundred twenty-eight million, seven hundred three thousand, five hundred seventy-two".