8113781048 has 16 divisors (see below), whose sum is σ = 15217087680. Its totient is φ = 4055891008.

The previous prime is 8113781009. The next prime is 8113781051. The reversal of 8113781048 is 8401873118.

It is a junction number, because it is equal to n+sod(n) for n = 8113780996 and 8113781014.

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 3 ways as a sum of consecutive naturals, for example, 89861 + ... + 155892.

It is an arithmetic number, because the mean of its divisors is an integer number (951067980).

Almost surely, 2^8113781048 is an apocalyptic number.

It is an amenable number.

8113781048 is a deficient number, since it is larger than the sum of its proper divisors (7103306632).

8113781048 is a wasteful number, since it uses less digits than its factorization.

8113781048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249886 (or 249882 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 41.

The square root of 8113781048 is about 90076.5288407585. The cubic root of 8113781048 is about 2009.4371540227.

The spelling of 8113781048 in words is "eight billion, one hundred thirteen million, seven hundred eighty-one thousand, forty-eight".