1771946968 has 16 divisors (see below), whose sum is σ = 3624437160. Its totient is φ = 805430400.

The previous prime is 1771946921. The next prime is 1771946999. The reversal of 1771946968 is 8696491771.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10067793 + ... + 10067968.

Almost surely, 2^1771946968 is an apocalyptic number.

It is an amenable number.

1771946968 is an abundant number, since it is smaller than the sum of its proper divisors (1852490192).

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

1771946968 is a wasteful number, since it uses less digits than its factorization.

1771946968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20135778 (or 20135774 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 58.

The square root of 1771946968 is about 42094.5004483959. The cubic root of 1771946968 is about 1210.0878673982.

The spelling of 1771946968 in words is "one billion, seven hundred seventy-one million, nine hundred forty-six thousand, nine hundred sixty-eight".