27898611134 has 4 divisors (see below), whose sum is σ = 41847916704. Its totient is φ = 13949305566.

The previous prime is 27898611133. The next prime is 27898611151. The reversal of 27898611134 is 43111689872.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×27898611134² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27898611131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6974652782 + ... + 6974652785.

It is an arithmetic number, because the mean of its divisors is an integer number (10461979176).

Almost surely, 2^27898611134 is an apocalyptic number.

27898611134 is a deficient number, since it is larger than the sum of its proper divisors (13949305570).

27898611134 is a wasteful number, since it uses less digits than its factorization.

27898611134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13949305569.

The product of its digits is 580608, while the sum is 50.

The spelling of 27898611134 in words is "twenty-seven billion, eight hundred ninety-eight million, six hundred eleven thousand, one hundred thirty-four".