782815052 has 6 divisors (see below), whose sum is σ = 1369926348. Its totient is φ = 391407524.

The previous prime is 782815049. The next prime is 782815063. The reversal of 782815052 is 250518287.

It is a happy number.

It is a super-2 number, since 2×782815052² = 1225598811275525408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 782814997 and 782815015.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97851878 + ... + 97851885.

It is an arithmetic number, because the mean of its divisors is an integer number (228321058).

Almost surely, 2^782815052 is an apocalyptic number.

It is an amenable number.

782815052 is a deficient number, since it is larger than the sum of its proper divisors (587111296).

782815052 is a wasteful number, since it uses less digits than its factorization.

782815052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195703767 (or 195703765 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 782815052 is about 27978.8322129427. The cubic root of 782815052 is about 921.6224725338.

The spelling of 782815052 in words is "seven hundred eighty-two million, eight hundred fifteen thousand, fifty-two".