27770021514 has 24 divisors (see below), whose sum is σ = 61794553860. Its totient is φ = 9006493248.

The previous prime is 27770021471. The next prime is 27770021527. The reversal of 27770021514 is 41512007772.

27770021514 is a `hidden beast` number, since 2 + 77 + 70 + 0 + 2 + 1 + 514 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22330221489 + 5439800025 = 149433^2 + 73755^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 20847699 + ... + 20849030.

Almost surely, 2^27770021514 is an apocalyptic number.

27770021514 is an abundant number, since it is smaller than the sum of its proper divisors (34024532346).

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

27770021514 is a wasteful number, since it uses less digits than its factorization.

27770021514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41696774 (or 41696771 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The spelling of 27770021514 in words is "twenty-seven billion, seven hundred seventy million, twenty-one thousand, five hundred fourteen".