7280856676 has 12 divisors (see below), whose sum is σ = 12742104060. Its totient is φ = 3640255520.

The previous prime is 7280856673. The next prime is 7280856689. The reversal of 7280856676 is 6766580827.

It can be written as a sum of positive squares in 2 ways, for example, as 6258392100 + 1022464576 = 79110^2 + 31976^2 .

It is not an unprimeable number, because it can be changed into a prime (7280856673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120546 + ... + 170566.

It is an arithmetic number, because the mean of its divisors is an integer number (1061842005).

Almost surely, 2^7280856676 is an apocalyptic number.

It is an amenable number.

7280856676 is a deficient number, since it is larger than the sum of its proper divisors (5461247384).

7280856676 is a wasteful number, since it uses less digits than its factorization.

7280856676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86414 (or 86412 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 55.

The square root of 7280856676 is about 85327.9360819187. The cubic root of 7280856676 is about 1938.1802360203.

The spelling of 7280856676 in words is "seven billion, two hundred eighty million, eight hundred fifty-six thousand, six hundred seventy-six".