6287386820 has 96 divisors (see below), whose sum is σ = 15804875520. Its totient is φ = 2070581760.

The previous prime is 6287386817. The next prime is 6287386829. The reversal of 6287386820 is 286837826.

It is not an unprimeable number, because it can be changed into a prime (6287386829) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130841 + ... + 172319.

It is an arithmetic number, because the mean of its divisors is an integer number (164634120).

Almost surely, 2^6287386820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6287386820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7902437760).

6287386820 is an abundant number, since it is smaller than the sum of its proper divisors (9517488700).

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

6287386820 is a wasteful number, since it uses less digits than its factorization.

6287386820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41565 (or 41563 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 50.

The square root of 6287386820 is about 79293.0439572098. The cubic root of 6287386820 is about 1845.6813625079.

The spelling of 6287386820 in words is "six billion, two hundred eighty-seven million, three hundred eighty-six thousand, eight hundred twenty".