27897905074 has 8 divisors (see below), whose sum is σ = 45065846700. Its totient is φ = 12875956176.

The previous prime is 27897905071. The next prime is 27897905089. The reversal of 27897905074 is 47050979872.

It can be written as a sum of positive squares in 2 ways, for example, as 22678854025 + 5219051049 = 150595^2 + 72243^2 .

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 (27897905071) 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, 536498149 + ... + 536498200.

Almost surely, 2^27897905074 is an apocalyptic number.

27897905074 is a deficient number, since it is larger than the sum of its proper divisors (17167941626).

27897905074 is a wasteful number, since it uses less digits than its factorization.

27897905074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072996364.

The product of its (nonzero) digits is 8890560, while the sum is 58.

The spelling of 27897905074 in words is "twenty-seven billion, eight hundred ninety-seven million, nine hundred five thousand, seventy-four".