1771968460 has 12 divisors (see below), whose sum is σ = 3721133808. Its totient is φ = 708787376.

The previous prime is 1771968437. The next prime is 1771968509. The reversal of 1771968460 is 648691771.

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, 44299192 + ... + 44299231.

It is an arithmetic number, because the mean of its divisors is an integer number (310094484).

Almost surely, 2^1771968460 is an apocalyptic number.

1771968460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1771968460 is an abundant number, since it is smaller than the sum of its proper divisors (1949165348).

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

1771968460 is a wasteful number, since it uses less digits than its factorization.

1771968460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88598432 (or 88598430 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 1771968460 is about 42094.7557303757. The cubic root of 1771968460 is about 1210.0927597763.

The spelling of 1771968460 in words is "one billion, seven hundred seventy-one million, nine hundred sixty-eight thousand, four hundred sixty".