27995826436 has 6 divisors (see below), whose sum is σ = 48992696270. Its totient is φ = 13997913216.

The previous prime is 27995826427. The next prime is 27995826479. The reversal of 27995826436 is 63462859972.

It can be written as a sum of positive squares in only one way, i.e., 20939826436 + 7056000000 = 144706^2 + 84000^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3499478301 + ... + 3499478308.

Almost surely, 2^27995826436 is an apocalyptic number.

It is an amenable number.

27995826436 is a deficient number, since it is larger than the sum of its proper divisors (20996869834).

27995826436 is a wasteful number, since it uses less digits than its factorization.

27995826436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6998956613 (or 6998956611 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 61.

The spelling of 27995826436 in words is "twenty-seven billion, nine hundred ninety-five million, eight hundred twenty-six thousand, four hundred thirty-six".