87728070273 has 8 divisors (see below), whose sum is σ = 116986663200. Its totient is φ = 58477428768.

The previous prime is 87728070247. The next prime is 87728070323. The reversal of 87728070273 is 37207082778.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-87728070273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87728070203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1962063 + ... + 2006276.

It is an arithmetic number, because the mean of its divisors is an integer number (14623332900).

Almost surely, 2^87728070273 is an apocalyptic number.

It is an amenable number.

87728070273 is a deficient number, since it is larger than the sum of its proper divisors (29258592927).

87728070273 is a wasteful number, since it uses less digits than its factorization.

87728070273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3975711.

The product of its (nonzero) digits is 1843968, while the sum is 51.

The spelling of 87728070273 in words is "eighty-seven billion, seven hundred twenty-eight million, seventy thousand, two hundred seventy-three".