27912050761 has 27 divisors (see below), whose sum is σ = 33668261991. Its totient is φ = 23071560624.

The previous prime is 27912050759. The next prime is 27912050767. The reversal of 27912050761 is 16705021972.

The square root of 27912050761 is 167069.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 14636402361 + 13275648400 = 120981^2 + 115220^2 .

It is not a de Polignac number, because 27912050761 - 2¹ = 27912050759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27912050767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 33914596 + ... + 33915418.

Almost surely, 2^27912050761 is an apocalyptic number.

27912050761 is the 167069-th square number.

27912050761 is the 83535-th centered octagonal number.

It is an amenable number.

27912050761 is a deficient number, since it is larger than the sum of its proper divisors (5756211230).

27912050761 is an frugal number, since it uses more digits than its factorization.

27912050761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718 (or 859 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 40.

The spelling of 27912050761 in words is "twenty-seven billion, nine hundred twelve million, fifty thousand, seven hundred sixty-one".