27993492370 has 16 divisors (see below), whose sum is σ = 50597370648. Its totient is φ = 11150933760.

The previous prime is 27993492367. The next prime is 27993492377. The reversal of 27993492370 is 7329439972.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19055869849 + 8937622521 = 138043^2 + 94539^2 .

It is not an unprimeable number, because it can be changed into a prime (27993492377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5805369 + ... + 5810188.

Almost surely, 2^27993492370 is an apocalyptic number.

27993492370 is a deficient number, since it is larger than the sum of its proper divisors (22603878278).

27993492370 is a wasteful number, since it uses less digits than its factorization.

27993492370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11615805.

The product of its (nonzero) digits is 5143824, while the sum is 55.

The spelling of 27993492370 in words is "twenty-seven billion, nine hundred ninety-three million, four hundred ninety-two thousand, three hundred seventy".