13802205788 has 48 divisors (see below), whose sum is σ = 27976945920. Its totient is φ = 5835608064.

The previous prime is 13802205779. The next prime is 13802205797. The reversal of 13802205788 is 88750220831.

It is an interprime number because it is at equal distance from previous prime (13802205779) and next prime (13802205797).

It is a super-2 number, since 2×13802205788² (a number of 21 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1783295 + ... + 1791017.

It is an arithmetic number, because the mean of its divisors is an integer number (582853040).

Almost surely, 2^13802205788 is an apocalyptic number.

It is an amenable number.

13802205788 is an abundant number, since it is smaller than the sum of its proper divisors (14174740132).

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

13802205788 is a wasteful number, since it uses less digits than its factorization.

13802205788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8586 (or 8584 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 13802205788 in words is "thirteen billion, eight hundred two million, two hundred five thousand, seven hundred eighty-eight".