78683123606 has 4 divisors (see below), whose sum is σ = 118024685412. Its totient is φ = 39341561802.

The previous prime is 78683123599. The next prime is 78683123641. The reversal of 78683123606 is 60632138687.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19670780900 + ... + 19670780903.

It is an arithmetic number, because the mean of its divisors is an integer number (29506171353).

Almost surely, 2^78683123606 is an apocalyptic number.

78683123606 is a deficient number, since it is larger than the sum of its proper divisors (39341561806).

78683123606 is a wasteful number, since it uses less digits than its factorization.

78683123606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39341561805.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 78683123606 in words is "seventy-eight billion, six hundred eighty-three million, one hundred twenty-three thousand, six hundred six".