6528979080 has 160 divisors (see below), whose sum is σ = 23632824600. Its totient is φ = 1607122944.

The previous prime is 6528979069. The next prime is 6528979097. The reversal of 6528979080 is 809798256.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4855023684 + 1673955396 = 69678^2 + 40914^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35385 + ... + 119624.

Almost surely, 2^6528979080 is an apocalyptic number.

6528979080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6528979080 is an abundant number, since it is smaller than the sum of its proper divisors (17103845520).

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

6528979080 is a wasteful number, since it uses less digits than its factorization.

6528979080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155045 (or 155032 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The square root of 6528979080 is about 80802.0982400828. The cubic root of 6528979080 is about 1869.0249217941.

The spelling of 6528979080 in words is "six billion, five hundred twenty-eight million, nine hundred seventy-nine thousand, eighty".