6437855028 has 48 divisors (see below), whose sum is σ = 16413949440. Its totient is φ = 1947688800.

The previous prime is 6437855023. The next prime is 6437855129. The reversal of 6437855028 is 8205587346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6437855023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42313 + ... + 121103.

It is an arithmetic number, because the mean of its divisors is an integer number (341957280).

Almost surely, 2^6437855028 is an apocalyptic number.

It is an amenable number.

6437855028 is an abundant number, since it is smaller than the sum of its proper divisors (9976094412).

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

6437855028 is a wasteful number, since it uses less digits than its factorization.

6437855028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79428 (or 79426 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The square root of 6437855028 is about 80236.2451015749. The cubic root of 6437855028 is about 1860.2889122261.

The spelling of 6437855028 in words is "six billion, four hundred thirty-seven million, eight hundred fifty-five thousand, twenty-eight".