154427272687 has 8 divisors (see below), whose sum is σ = 154660698080. Its totient is φ = 154193971680.

The previous prime is 154427272669. The next prime is 154427272717. The reversal of 154427272687 is 786272724451.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154427272687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154427272607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2622862 + ... + 2681092.

It is an arithmetic number, because the mean of its divisors is an integer number (19332587260).

Almost surely, 2^154427272687 is an apocalyptic number.

154427272687 is a deficient number, since it is larger than the sum of its proper divisors (233425393).

154427272687 is an equidigital number, since it uses as much as digits as its factorization.

154427272687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62193.

The product of its digits is 10536960, while the sum is 55.

The spelling of 154427272687 in words is "one hundred fifty-four billion, four hundred twenty-seven million, two hundred seventy-two thousand, six hundred eighty-seven".