6244431878 has 8 divisors (see below), whose sum is σ = 9584476968. Its totient is φ = 3049606224.

The previous prime is 6244431863. The next prime is 6244431901. The reversal of 6244431878 is 8781344426.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36304751 + ... + 36304922.

It is an arithmetic number, because the mean of its divisors is an integer number (1198059621).

Almost surely, 2^6244431878 is an apocalyptic number.

6244431878 is a deficient number, since it is larger than the sum of its proper divisors (3340045090).

6244431878 is a wasteful number, since it uses less digits than its factorization.

6244431878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72609718.

The product of its digits is 1032192, while the sum is 47.

The square root of 6244431878 is about 79021.7177616382. The cubic root of 6244431878 is about 1841.4685698117.

The spelling of 6244431878 in words is "six billion, two hundred forty-four million, four hundred thirty-one thousand, eight hundred seventy-eight".