27970358120 has 16 divisors (see below), whose sum is σ = 62933305860. Its totient is φ = 11188143232.

The previous prime is 27970358113. The next prime is 27970358123. The reversal of 27970358120 is 2185307972.

It can be written as a sum of positive squares in 2 ways, for example, as 23269061764 + 4701296356 = 152542^2 + 68566^2 .

It is a super-2 number, since 2×27970358120² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27970358123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349629437 + ... + 349629516.

Almost surely, 2^27970358120 is an apocalyptic number.

27970358120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27970358120 is an abundant number, since it is smaller than the sum of its proper divisors (34962947740).

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

27970358120 is a wasteful number, since it uses less digits than its factorization.

27970358120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699258964 (or 699258960 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 27970358120 in words is "twenty-seven billion, nine hundred seventy million, three hundred fifty-eight thousand, one hundred twenty".