786649648 has 10 divisors (see below), whose sum is σ = 1524133724. Its totient is φ = 393324816.

The previous prime is 786649607. The next prime is 786649667. The reversal of 786649648 is 846946687.

It is a junction number, because it is equal to n+sod(n) for n = 786649592 and 786649601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24582786 + ... + 24582817.

Almost surely, 2^786649648 is an apocalyptic number.

It is an amenable number.

786649648 is a deficient number, since it is larger than the sum of its proper divisors (737484076).

786649648 is a wasteful number, since it uses less digits than its factorization.

786649648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49165611 (or 49165605 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 58.

The square root of 786649648 is about 28047.2752330775. The cubic root of 786649648 is about 923.1248687090.

The spelling of 786649648 in words is "seven hundred eighty-six million, six hundred forty-nine thousand, six hundred forty-eight".