27954000831 has 16 divisors (see below), whose sum is σ = 37842343808. Its totient is φ = 18351036000.

The previous prime is 27954000829. The next prime is 27954000863. The reversal of 27954000831 is 13800045972.

It is not a de Polignac number, because 27954000831 - 2¹ = 27954000829 is a prime.

It is a super-2 number, since 2×27954000831² (a number of 22 digits) contains 22 as substring.

It is the 167195-th Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27954000831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27954000871) by changing a digit.

It is a nontrivial repunit in base 167194.

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 15 ways as a sum of consecutive naturals, for example, 548661 + ... + 597441.

It is an arithmetic number, because the mean of its divisors is an integer number (2365146488).

Almost surely, 2^27954000831 is an apocalyptic number.

27954000831 is a deficient number, since it is larger than the sum of its proper divisors (9888342977).

27954000831 is a wasteful number, since it uses less digits than its factorization.

27954000831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51702.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 27954000831 in words is "twenty-seven billion, nine hundred fifty-four million, eight hundred thirty-one", and thus it is an aban number.