1992808755 has 24 divisors (see below), whose sum is σ = 3947659872. Its totient is φ = 910998144.

The previous prime is 1992808709. The next prime is 1992808781. The reversal of 1992808755 is 5578082991.

It is not a de Polignac number, because 1992808755 - 2⁷ = 1992808627 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3162874 + ... + 3163503.

It is an arithmetic number, because the mean of its divisors is an integer number (164485828).

Almost surely, 2^1992808755 is an apocalyptic number.

1992808755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1992808755 is a deficient number, since it is larger than the sum of its proper divisors (1954851117).

1992808755 is a wasteful number, since it uses less digits than its factorization.

1992808755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6326395 (or 6326392 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 54.

The square root of 1992808755 is about 44640.8865839378. The cubic root of 1992808755 is about 1258.4091695690.

The spelling of 1992808755 in words is "one billion, nine hundred ninety-two million, eight hundred eight thousand, seven hundred fifty-five".