27730764016 has 30 divisors (see below), whose sum is σ = 56165953760. Its totient is φ = 13262535264.

The previous prime is 27730764001. The next prime is 27730764023. The reversal of 27730764016 is 61046703772.

It is a super-2 number, since 2×27730764016² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1629696 + ... + 1646623.

Almost surely, 2^27730764016 is an apocalyptic number.

It is an amenable number.

27730764016 is an abundant number, since it is smaller than the sum of its proper divisors (28435189744).

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

27730764016 is a wasteful number, since it uses less digits than its factorization.

27730764016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276373 (or 3276344 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 43.

The spelling of 27730764016 in words is "twenty-seven billion, seven hundred thirty million, seven hundred sixty-four thousand, sixteen".