27779800233984 has 48 divisors (see below), whose sum is σ = 74061381499560. Its totient is φ = 9259933409280.

The previous prime is 27779800233979. The next prime is 27779800234003. The reversal of 27779800233984 is 48933200897772.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×27779800233984² (a number of 28 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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2260719787 + ... + 2260732074.

Almost surely, 2^{27779800233984} is an apocalyptic number.

27779800233984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27779800233984 is an abundant number, since it is smaller than the sum of its proper divisors (46281581265576).

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

27779800233984 is an equidigital number, since it uses as much as digits as its factorization.

27779800233984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521451886 (or 4521451866 counting only the distinct ones).

The product of its (nonzero) digits is 256048128, while the sum is 69.

The spelling of 27779800233984 in words is "twenty-seven trillion, seven hundred seventy-nine billion, eight hundred million, two hundred thirty-three thousand, nine hundred eighty-four".