6278921952 has 24 divisors (see below), whose sum is σ = 16482170376. Its totient is φ = 2092973952.

The previous prime is 6278921947. The next prime is 6278921959. The reversal of 6278921952 is 2591298726.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 6278921895 and 6278921904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6278921959) 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, 32702623 + ... + 32702814.

It is an arithmetic number, because the mean of its divisors is an integer number (686757099).

Almost surely, 2^6278921952 is an apocalyptic number.

It is an amenable number.

6278921952 is an abundant number, since it is smaller than the sum of its proper divisors (10203248424).

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

6278921952 is a wasteful number, since it uses less digits than its factorization.

6278921952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65405450 (or 65405442 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 6278921952 is about 79239.6488634320. The cubic root of 6278921952 is about 1844.8526946678.

The spelling of 6278921952 in words is "six billion, two hundred seventy-eight million, nine hundred twenty-one thousand, nine hundred fifty-two".