6462940878 has 24 divisors (see below), whose sum is σ = 14015228448. Its totient is φ = 2152438272.

The previous prime is 6462940873. The next prime is 6462940909. The reversal of 6462940878 is 8780492646.

6462940878 is a `hidden beast` number, since 6 + 4 + 629 + 4 + 0 + 8 + 7 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6462940873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134950 + ... + 176457.

It is an arithmetic number, because the mean of its divisors is an integer number (583967852).

Almost surely, 2^6462940878 is an apocalyptic number.

6462940878 is an abundant number, since it is smaller than the sum of its proper divisors (7552287570).

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

6462940878 is a wasteful number, since it uses less digits than its factorization.

6462940878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312568 (or 312565 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The square root of 6462940878 is about 80392.4180380215. The cubic root of 6462940878 is about 1862.7020578527.

The spelling of 6462940878 in words is "six billion, four hundred sixty-two million, nine hundred forty thousand, eight hundred seventy-eight".