6348779896 has 8 divisors (see below), whose sum is σ = 11903962320. Its totient is φ = 3174389944.

The previous prime is 6348779893. The next prime is 6348779917. The reversal of 6348779896 is 6989778436.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6348779893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 396798736 + ... + 396798751.

It is an arithmetic number, because the mean of its divisors is an integer number (1487995290).

Almost surely, 2^6348779896 is an apocalyptic number.

It is an amenable number.

6348779896 is a deficient number, since it is larger than the sum of its proper divisors (5555182424).

6348779896 is a wasteful number, since it uses less digits than its factorization.

6348779896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793597493 (or 793597489 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 67.

The square root of 6348779896 is about 79679.2312713922. The cubic root of 6348779896 is about 1851.6692891286.

The spelling of 6348779896 in words is "six billion, three hundred forty-eight million, seven hundred seventy-nine thousand, eight hundred ninety-six".