27970270280 has 32 divisors (see below), whose sum is σ = 63280821240. Its totient is φ = 11126292480.

The previous prime is 27970270277. The next prime is 27970270301. The reversal of 27970270280 is 8207207972.

It can be written as a sum of positive squares in 4 ways, for example, as 18412861636 + 9557408644 = 135694^2 + 97762^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1924409 + ... + 1938888.

Almost surely, 2^27970270280 is an apocalyptic number.

27970270280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27970270280 is an abundant number, since it is smaller than the sum of its proper divisors (35310550960).

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

27970270280 is a wasteful number, since it uses less digits than its factorization.

27970270280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863489 (or 3863485 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 44.

The spelling of 27970270280 in words is "twenty-seven billion, nine hundred seventy million, two hundred seventy thousand, two hundred eighty".