1996785758 has 16 divisors (see below), whose sum is σ = 3273734016. Its totient is φ = 905889240.

The previous prime is 1996785727. The next prime is 1996785799. The reversal of 1996785758 is 8575876991.

It is a junction number, because it is equal to n+sod(n) for n = 1996785694 and 1996785703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75266 + ... + 98277.

It is an arithmetic number, because the mean of its divisors is an integer number (204608376).

Almost surely, 2^1996785758 is an apocalyptic number.

1996785758 is a deficient number, since it is larger than the sum of its proper divisors (1276948258).

1996785758 is a wasteful number, since it uses less digits than its factorization.

1996785758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174079.

The product of its digits is 38102400, while the sum is 65.

The square root of 1996785758 is about 44685.4087818384. The cubic root of 1996785758 is about 1259.2457394712.

The spelling of 1996785758 in words is "one billion, nine hundred ninety-six million, seven hundred eighty-five thousand, seven hundred fifty-eight".