27789954 has 16 divisors (see below), whose sum is σ = 56872992. Its totient is φ = 9047808.

The previous prime is 27789943. The next prime is 27789973. The reversal of 27789954 is 45998772.

It is a junction number, because it is equal to n+sod(n) for n = 27789897 and 27789906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53599 + ... + 54114.

It is an arithmetic number, because the mean of its divisors is an integer number (3554562).

Almost surely, 2^27789954 is an apocalyptic number.

27789954 is an abundant number, since it is smaller than the sum of its proper divisors (29083038).

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

27789954 is a wasteful number, since it uses less digits than its factorization.

27789954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107761.

The product of its digits is 1270080, while the sum is 51.

The square root of 27789954 is about 5271.6177782537. The cubic root of 27789954 is about 302.8976770028.

The spelling of 27789954 in words is "twenty-seven million, seven hundred eighty-nine thousand, nine hundred fifty-four".