27929175988 has 12 divisors (see below), whose sum is σ = 55858352032. Its totient is φ = 11969646840.

The previous prime is 27929175973. The next prime is 27929176001. The reversal of 27929175988 is 88957192972.

27929175988 is an admirable number.

It is a super-2 number, since 2×27929175988² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498735258 + ... + 498735313.

Almost surely, 2^27929175988 is an apocalyptic number.

27929175988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

27929175988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27929175988 is a wasteful number, since it uses less digits than its factorization.

27929175988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997470582 (or 997470580 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 67.

The spelling of 27929175988 in words is "twenty-seven billion, nine hundred twenty-nine million, one hundred seventy-five thousand, nine hundred eighty-eight".