6257783278680 has 128 divisors (see below), whose sum is σ = 18888305042880. Its totient is φ = 1658534952960.

The previous prime is 6257783278657. The next prime is 6257783278693. The reversal of 6257783278680 is 868723877526.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36773952 + ... + 36943728.

Almost surely, 2^{6257783278680} is an apocalyptic number.

6257783278680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6257783278680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9444152521440).

6257783278680 is an abundant number, since it is smaller than the sum of its proper divisors (12630521764200).

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

6257783278680 is a wasteful number, since it uses less digits than its factorization.

6257783278680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171669 (or 171665 counting only the distinct ones).

The product of its (nonzero) digits is 379330560, while the sum is 69.

The spelling of 6257783278680 in words is "six trillion, two hundred fifty-seven billion, seven hundred eighty-three million, two hundred seventy-eight thousand, six hundred eighty".