6508774872 has 32 divisors (see below), whose sum is σ = 18079930800. Its totient is φ = 2169591552.

The previous prime is 6508774861. The next prime is 6508774873. The reversal of 6508774872 is 2784778056.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6508774873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15066393 + ... + 15066824.

Almost surely, 2^6508774872 is an apocalyptic number.

It is an amenable number.

6508774872 is an abundant number, since it is smaller than the sum of its proper divisors (11571155928).

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

6508774872 is a wasteful number, since it uses less digits than its factorization.

6508774872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30133232 (or 30133222 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 54.

The square root of 6508774872 is about 80676.9785750557. The cubic root of 6508774872 is about 1867.0950035461.

The spelling of 6508774872 in words is "six billion, five hundred eight million, seven hundred seventy-four thousand, eight hundred seventy-two".