27500000154 has 32 divisors (see below), whose sum is σ = 60149684160. Its totient is φ = 8312544000.

The previous prime is 27500000153. The next prime is 27500000159. The reversal of 27500000154 is 45100000572.

It is not an unprimeable number, because it can be changed into a prime (27500000153) 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 15 ways as a sum of consecutive naturals, for example, 493069 + ... + 546000.

It is an arithmetic number, because the mean of its divisors is an integer number (1879677630).

Almost surely, 2^27500000154 is an apocalyptic number.

27500000154 is an abundant number, since it is smaller than the sum of its proper divisors (32649684006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27500000154 is a wasteful number, since it uses less digits than its factorization.

27500000154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039486.

The product of its (nonzero) digits is 1400, while the sum is 24.

The spelling of 27500000154 in words is "twenty-seven billion, five hundred million, one hundred fifty-four", and thus it is an aban number.