87127377443816 has 32 divisors (see below), whose sum is σ = 168518186411040. Its totient is φ = 42199567944768.

The previous prime is 87127377443807. The next prime is 87127377443881. The reversal of 87127377443816 is 61834477372178.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 648279170 + ... + 648413553.

It is an arithmetic number, because the mean of its divisors is an integer number (5266193325345).

Almost surely, 2^{87127377443816} is an apocalyptic number.

It is an amenable number.

87127377443816 is a deficient number, since it is larger than the sum of its proper divisors (81390808967224).

87127377443816 is a wasteful number, since it uses less digits than its factorization.

87127377443816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296692993 (or 1296692989 counting only the distinct ones).

The product of its digits is 265531392, while the sum is 68.

The spelling of 87127377443816 in words is "eighty-seven trillion, one hundred twenty-seven billion, three hundred seventy-seven million, four hundred forty-three thousand, eight hundred sixteen".