782768396 has 6 divisors (see below), whose sum is σ = 1369844700. Its totient is φ = 391384196.

The previous prime is 782768381. The next prime is 782768449. The reversal of 782768396 is 693867287.

It is a happy number.

It is a super-2 number, since 2×782768396² = 1225452723552825632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97846046 + ... + 97846053.

It is an arithmetic number, because the mean of its divisors is an integer number (228307450).

Almost surely, 2^782768396 is an apocalyptic number.

It is an amenable number.

782768396 is a deficient number, since it is larger than the sum of its proper divisors (587076304).

782768396 is a wasteful number, since it uses less digits than its factorization.

782768396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195692103 (or 195692101 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 56.

The square root of 782768396 is about 27977.9984273357. The cubic root of 782768396 is about 921.6041625161.

The spelling of 782768396 in words is "seven hundred eighty-two million, seven hundred sixty-eight thousand, three hundred ninety-six".