27779834354 has 16 divisors (see below), whose sum is σ = 42492667392. Its totient is φ = 13616065008.

The previous prime is 27779834353. The next prime is 27779834377. The reversal of 27779834354 is 45343897772.

It is a junction number, because it is equal to n+sod(n) for n = 27779834293 and 27779834302.

It is not an unprimeable number, because it can be changed into a prime (27779834353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10607 + ... + 235949.

It is an arithmetic number, because the mean of its divisors is an integer number (2655791712).

Almost surely, 2^27779834354 is an apocalyptic number.

27779834354 is a deficient number, since it is larger than the sum of its proper divisors (14712833038).

27779834354 is a wasteful number, since it uses less digits than its factorization.

27779834354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226561.

The product of its digits is 35562240, while the sum is 59.

The spelling of 27779834354 in words is "twenty-seven billion, seven hundred seventy-nine million, eight hundred thirty-four thousand, three hundred fifty-four".