27076687920 has 120 divisors (see below), whose sum is σ = 91256828832. Its totient is φ = 7194700800.

The previous prime is 27076687873. The next prime is 27076687987. The reversal of 27076687920 is 2978667072.

It is a tau number, because it is divible by the number of its divisors (120).

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 23 ways as a sum of consecutive naturals, for example, 135405 + ... + 269235.

Almost surely, 2^27076687920 is an apocalyptic number.

27076687920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27076687920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45628414416).

27076687920 is an abundant number, since it is smaller than the sum of its proper divisors (64180140912).

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

27076687920 is a wasteful number, since it uses less digits than its factorization.

27076687920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134131 (or 134122 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 27076687920 in words is "twenty-seven billion, seventy-six million, six hundred eighty-seven thousand, nine hundred twenty".