27900011000973 has 8 divisors (see below), whose sum is σ = 37529218338048. Its totient is φ = 18435405498944.

The previous prime is 27900011000971. The next prime is 27900011000999. The reversal of 27900011000973 is 37900011000972.

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

It is a cyclic number.

It is not a de Polignac number, because 27900011000973 - 2¹ = 27900011000971 is a prime.

It is a super-2 number, since 2×27900011000973² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27900011000971) 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, 41150458365 + ... + 41150459042.

It is an arithmetic number, because the mean of its divisors is an integer number (4691152292256).

Almost surely, 2^{27900011000973} is an apocalyptic number.

It is an amenable number.

27900011000973 is a deficient number, since it is larger than the sum of its proper divisors (9629207337075).

27900011000973 is a wasteful number, since it uses less digits than its factorization.

27900011000973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82300917523.

The product of its (nonzero) digits is 23814, while the sum is 39.

Subtracting 27900011000973 from its reverse (37900011000972), we obtain a palindrome (9999999999999).

The spelling of 27900011000973 in words is "twenty-seven trillion, nine hundred billion, eleven million, nine hundred seventy-three", and thus it is an aban number.