6287456920 has 16 divisors (see below), whose sum is σ = 14146778160. Its totient is φ = 2514982752.

The previous prime is 6287456909. The next prime is 6287456927. The reversal of 6287456920 is 296547826.

It is a super-2 number, since 2×6287456920² = 79064229041711772800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6287456927) 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, 78593172 + ... + 78593251.

It is an arithmetic number, because the mean of its divisors is an integer number (884173635).

Almost surely, 2^6287456920 is an apocalyptic number.

It is an amenable number.

6287456920 is an abundant number, since it is smaller than the sum of its proper divisors (7859321240).

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

6287456920 is a wasteful number, since it uses less digits than its factorization.

6287456920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157186434 (or 157186430 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The square root of 6287456920 is about 79293.4859871856. The cubic root of 6287456920 is about 1845.6882218379.

The spelling of 6287456920 in words is "six billion, two hundred eighty-seven million, four hundred fifty-six thousand, nine hundred twenty".