103784778276 has 12 divisors (see below), whose sum is σ = 242164482672. Its totient is φ = 34594926088.

The previous prime is 103784778233. The next prime is 103784778277. The reversal of 103784778276 is 672877487301.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (103784778277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4324365750 + ... + 4324365773.

It is an arithmetic number, because the mean of its divisors is an integer number (20180373556).

Almost surely, 2^103784778276 is an apocalyptic number.

It is an amenable number.

103784778276 is an abundant number, since it is smaller than the sum of its proper divisors (138379704396).

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

103784778276 is a wasteful number, since it uses less digits than its factorization.

103784778276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8648731530 (or 8648731528 counting only the distinct ones).

The product of its (nonzero) digits is 22127616, while the sum is 60.

The spelling of 103784778276 in words is "one hundred three billion, seven hundred eighty-four million, seven hundred seventy-eight thousand, two hundred seventy-six".