1772143116 has 24 divisors (see below), whose sum is σ = 4205087040. Its totient is φ = 580702032.

The previous prime is 1772143073. The next prime is 1772143151. The reversal of 1772143116 is 6113412771.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1250806 + ... + 1252221.

It is an arithmetic number, because the mean of its divisors is an integer number (175211960).

Almost surely, 2^1772143116 is an apocalyptic number.

It is an amenable number.

1772143116 is an abundant number, since it is smaller than the sum of its proper divisors (2432943924).

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

1772143116 is a wasteful number, since it uses less digits than its factorization.

1772143116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503093 (or 2503091 counting only the distinct ones).

The product of its digits is 7056, while the sum is 33.

The square root of 1772143116 is about 42096.8302369668. The cubic root of 1772143116 is about 1210.1325165068.

Adding to 1772143116 its reverse (6113412771), we get a palindrome (7885555887).

The spelling of 1772143116 in words is "one billion, seven hundred seventy-two million, one hundred forty-three thousand, one hundred sixteen".