1772889505052 has 6 divisors (see below), whose sum is σ = 3102556633848. Its totient is φ = 886444752524.

The previous prime is 1772889505043. The next prime is 1772889505073. The reversal of 1772889505052 is 2505059882771.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1772889504982 and 1772889505000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221611188128 + ... + 221611188135.

It is an arithmetic number, because the mean of its divisors is an integer number (517092772308).

Almost surely, 2^{1772889505052} is an apocalyptic number.

It is an amenable number.

1772889505052 is a deficient number, since it is larger than the sum of its proper divisors (1329667128796).

1772889505052 is a wasteful number, since it uses less digits than its factorization.

1772889505052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443222376267 (or 443222376265 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 59.

The spelling of 1772889505052 in words is "one trillion, seven hundred seventy-two billion, eight hundred eighty-nine million, five hundred five thousand, fifty-two".