1768404051 has 12 divisors (see below), whose sum is σ = 2579653440. Its totient is φ = 1167262800.

The previous prime is 1768404047. The next prime is 1768404089. The reversal of 1768404051 is 1504048671.

It is a happy number.

1768404051 is a `hidden beast` number, since 176 + 84 + 0 + 405 + 1 = 666.

It is not a de Polignac number, because 1768404051 - 2² = 1768404047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1768403997 and 1768404015.

It is not an unprimeable number, because it can be changed into a prime (1768404031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 971811 + ... + 973628.

It is an arithmetic number, because the mean of its divisors is an integer number (214971120).

Almost surely, 2^1768404051 is an apocalyptic number.

1768404051 is a deficient number, since it is larger than the sum of its proper divisors (811249389).

1768404051 is a wasteful number, since it uses less digits than its factorization.

1768404051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945546 (or 1945543 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1768404051 is about 42052.3964953247. The cubic root of 1768404051 is about 1209.2808264229.

The spelling of 1768404051 in words is "one billion, seven hundred sixty-eight million, four hundred four thousand, fifty-one".