87768462028 has 18 divisors (see below), whose sum is σ = 166318640124. Its totient is φ = 40508520624.

The previous prime is 87768462007. The next prime is 87768462029. The reversal of 87768462028 is 82026486778.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (87768462029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64916826 + ... + 64918177.

Almost surely, 2^87768462028 is an apocalyptic number.

It is an amenable number.

87768462028 is a deficient number, since it is larger than the sum of its proper divisors (78550178096).

87768462028 is a wasteful number, since it uses less digits than its factorization.

87768462028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129835033 (or 129835018 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 58.

The spelling of 87768462028 in words is "eighty-seven billion, seven hundred sixty-eight million, four hundred sixty-two thousand, twenty-eight".