103784778234 has 12 divisors (see below), whose sum is σ = 224867019546. Its totient is φ = 34594926072.

The previous prime is 103784778233. The next prime is 103784778277. The reversal of 103784778234 is 432877487301.

It can be written as a sum of positive squares in only one way, i.e., 100265322609 + 3519455625 = 316647^2 + 59325^2 .

It is not an unprimeable number, because it can be changed into a prime (103784778233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2882910489 + ... + 2882910524.

Almost surely, 2^103784778234 is an apocalyptic number.

103784778234 is an abundant number, since it is smaller than the sum of its proper divisors (121082241312).

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

103784778234 is a wasteful number, since it uses less digits than its factorization.

103784778234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5765821021 (or 5765821018 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 54.

The spelling of 103784778234 in words is "one hundred three billion, seven hundred eighty-four million, seven hundred seventy-eight thousand, two hundred thirty-four".