27761023387 has 8 divisors (see below), whose sum is σ = 28043659520. Its totient is φ = 27479687400.

The previous prime is 27761023351. The next prime is 27761023393. The reversal of 27761023387 is 78332016772.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27761023387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27761023487) 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, 282087 + ... + 367552.

It is an arithmetic number, because the mean of its divisors is an integer number (3505457440).

Almost surely, 2^27761023387 is an apocalyptic number.

27761023387 is a deficient number, since it is larger than the sum of its proper divisors (282636133).

27761023387 is a wasteful number, since it uses less digits than its factorization.

27761023387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650073.

The product of its (nonzero) digits is 592704, while the sum is 46.

The spelling of 27761023387 in words is "twenty-seven billion, seven hundred sixty-one million, twenty-three thousand, three hundred eighty-seven".