1772863852 has 6 divisors (see below), whose sum is σ = 3102511748. Its totient is φ = 886431924.

The previous prime is 1772863787. The next prime is 1772863861. The reversal of 1772863852 is 2583682771.

It is a junction number, because it is equal to n+sod(n) for n = 1772863796 and 1772863805.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221607978 + ... + 221607985.

Almost surely, 2^1772863852 is an apocalyptic number.

It is an amenable number.

1772863852 is a deficient number, since it is larger than the sum of its proper divisors (1329647896).

1772863852 is a wasteful number, since it uses less digits than its factorization.

1772863852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443215967 (or 443215965 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 49.

The square root of 1772863852 is about 42105.3898212569. The cubic root of 1772863852 is about 1210.2965491307.

The spelling of 1772863852 in words is "one billion, seven hundred seventy-two million, eight hundred sixty-three thousand, eight hundred fifty-two".