27770048880 has 160 divisors (see below), whose sum is σ = 103563609600. Its totient is φ = 6013357056.

The previous prime is 27770048851. The next prime is 27770048993. The reversal of 27770048880 is 8884007772.

It is a super-2 number, since 2×27770048880² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 403075 + ... + 466914.

It is an arithmetic number, because the mean of its divisors is an integer number (647272560).

Almost surely, 2^27770048880 is an apocalyptic number.

27770048880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27770048880 is an abundant number, since it is smaller than the sum of its proper divisors (75793560720).

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

27770048880 is a wasteful number, since it uses less digits than its factorization.

27770048880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870031 (or 870025 counting only the distinct ones).

The product of its (nonzero) digits is 1404928, while the sum is 51.

The spelling of 27770048880 in words is "twenty-seven billion, seven hundred seventy million, forty-eight thousand, eight hundred eighty".