27945396370 has 8 divisors (see below), whose sum is σ = 50301713484. Its totient is φ = 11178158544.

The previous prime is 27945396361. The next prime is 27945396373. The reversal of 27945396370 is 7369354972.

It can be written as a sum of positive squares in 2 ways, for example, as 26559546841 + 1385849529 = 162971^2 + 37227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (27945396373) 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, 1397269809 + ... + 1397269828.

Almost surely, 2^27945396370 is an apocalyptic number.

27945396370 is a deficient number, since it is larger than the sum of its proper divisors (22356317114).

27945396370 is a wasteful number, since it uses less digits than its factorization.

27945396370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794539644.

The product of its (nonzero) digits is 8573040, while the sum is 55.

The spelling of 27945396370 in words is "twenty-seven billion, nine hundred forty-five million, three hundred ninety-six thousand, three hundred seventy".