1992993775 has 6 divisors (see below), whose sum is σ = 2471312312. Its totient is φ = 1594395000.

The previous prime is 1992993731. The next prime is 1992993797. The reversal of 1992993775 is 5773992991.

It is not a de Polignac number, because 1992993775 - 2¹¹ = 1992991727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39859851 + ... + 39859900.

Almost surely, 2^1992993775 is an apocalyptic number.

1992993775 is a deficient number, since it is larger than the sum of its proper divisors (478318537).

1992993775 is an equidigital number, since it uses as much as digits as its factorization.

1992993775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79719761 (or 79719756 counting only the distinct ones).

The product of its digits is 9644670, while the sum is 61.

The square root of 1992993775 is about 44642.9588513127. The cubic root of 1992993775 is about 1258.4481135400.

The spelling of 1992993775 in words is "one billion, nine hundred ninety-two million, nine hundred ninety-three thousand, seven hundred seventy-five".