6293780864 has 32 divisors (see below), whose sum is σ = 14329592400. Its totient is φ = 2697334272.

The previous prime is 6293780863. The next prime is 6293780879. The reversal of 6293780864 is 4680873926.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×6293780864² = 79223355128105172992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6293780863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3511259 + ... + 3513050.

Almost surely, 2^6293780864 is an apocalyptic number.

6293780864 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6293780864 is an abundant number, since it is smaller than the sum of its proper divisors (8035811536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6293780864 is an equidigital number, since it uses as much as digits as its factorization.

6293780864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7024330 (or 7024318 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 53.

The square root of 6293780864 is about 79333.3527843113. The cubic root of 6293780864 is about 1846.3068141684.

The spelling of 6293780864 in words is "six billion, two hundred ninety-three million, seven hundred eighty thousand, eight hundred sixty-four".