1078742923806 has 8 divisors (see below), whose sum is σ = 2157485847624. Its totient is φ = 359580974600.

The previous prime is 1078742923793. The next prime is 1078742923813. The reversal of 1078742923806 is 6083292478701.

It is a sphenic number, since it is the product of 3 distinct primes.

1078742923806 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89895243645 + ... + 89895243656.

It is an arithmetic number, because the mean of its divisors is an integer number (269685730953).

Almost surely, 2^{1078742923806} is an apocalyptic number.

1078742923806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1078742923806 is a wasteful number, since it uses less digits than its factorization.

1078742923806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179790487306.

The product of its (nonzero) digits is 8128512, while the sum is 57.

The spelling of 1078742923806 in words is "one trillion, seventy-eight billion, seven hundred forty-two million, nine hundred twenty-three thousand, eight hundred six".