27682259154 has 128 divisors (see below), whose sum is σ = 62275682304. Its totient is φ = 8133216000.

The previous prime is 27682259153. The next prime is 27682259159. The reversal of 27682259154 is 45195228672.

It is a junction number, because it is equal to n+sod(n) for n = 27682259097 and 27682259106.

It is not an unprimeable number, because it can be changed into a prime (27682259153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 140518984 + ... + 140519180.

It is an arithmetic number, because the mean of its divisors is an integer number (486528768).

Almost surely, 2^27682259154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27682259154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31137841152).

27682259154 is an abundant number, since it is smaller than the sum of its proper divisors (34593423150).

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

27682259154 is a wasteful number, since it uses less digits than its factorization.

27682259154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632.

The product of its digits is 2419200, while the sum is 51.

The spelling of 27682259154 in words is "twenty-seven billion, six hundred eighty-two million, two hundred fifty-nine thousand, one hundred fifty-four".