27770134484 has 24 divisors (see below), whose sum is σ = 49058440200. Its totient is φ = 13753514880.

The previous prime is 27770134433. The next prime is 27770134493. The reversal of 27770134484 is 48443107772.

It can be written as a sum of positive squares in 4 ways, for example, as 19704298384 + 8065836100 = 140372^2 + 89810^2 .

It is a congruent number.

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, 1836314 + ... + 1851374.

It is an arithmetic number, because the mean of its divisors is an integer number (2044101675).

Almost surely, 2^27770134484 is an apocalyptic number.

It is an amenable number.

27770134484 is a deficient number, since it is larger than the sum of its proper divisors (21288305716).

27770134484 is a wasteful number, since it uses less digits than its factorization.

27770134484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19403 (or 19401 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 47.

The spelling of 27770134484 in words is "twenty-seven billion, seven hundred seventy million, one hundred thirty-four thousand, four hundred eighty-four".