27802083551 has 16 divisors (see below), whose sum is σ = 30510818208. Its totient is φ = 25123929600.

The previous prime is 27802083499. The next prime is 27802083563. The reversal of 27802083551 is 15538020872.

It is not a de Polignac number, because 27802083551 - 2⁶ = 27802083487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27802083499 and 27802083508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27802083581) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1572581 + ... + 1590161.

It is an arithmetic number, because the mean of its divisors is an integer number (1906926138).

Almost surely, 2^27802083551 is an apocalyptic number.

27802083551 is a deficient number, since it is larger than the sum of its proper divisors (2708734657).

27802083551 is a wasteful number, since it uses less digits than its factorization.

27802083551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18442.

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 27802083551 in words is "twenty-seven billion, eight hundred two million, eighty-three thousand, five hundred fifty-one".