87728071118 has 16 divisors (see below), whose sum is σ = 135848119680. Its totient is φ = 42445596000.

The previous prime is 87728071117. The next prime is 87728071147. The reversal of 87728071118 is 81117082778.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87728071117) 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, 810968 + ... + 912756.

It is an arithmetic number, because the mean of its divisors is an integer number (8490507480).

Almost surely, 2^87728071118 is an apocalyptic number.

87728071118 is a deficient number, since it is larger than the sum of its proper divisors (48120048562).

87728071118 is a wasteful number, since it uses less digits than its factorization.

87728071118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115723.

The product of its (nonzero) digits is 351232, while the sum is 50.

The spelling of 87728071118 in words is "eighty-seven billion, seven hundred twenty-eight million, seventy-one thousand, one hundred eighteen".