7880135013 has 6 divisors (see below), whose sum is σ = 11382417254. Its totient is φ = 5253423336.

The previous prime is 7880134991. The next prime is 7880135023. The reversal of 7880135013 is 3105310887.

7880135013 is a `hidden beast` number, since 78 + 80 + 1 + 3 + 501 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5209519329 + 2670615684 = 72177^2 + 51678^2 .

It is not a de Polignac number, because 7880135013 - 2⁵ = 7880134981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7880135023) 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 5 ways as a sum of consecutive naturals, for example, 437785270 + ... + 437785287.

Almost surely, 2^7880135013 is an apocalyptic number.

It is an amenable number.

7880135013 is a deficient number, since it is larger than the sum of its proper divisors (3502282241).

7880135013 is a wasteful number, since it uses less digits than its factorization.

7880135013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875570563 (or 875570560 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 7880135013 is about 88770.1245521262. The cubic root of 7880135013 is about 1989.9609440750.

The spelling of 7880135013 in words is "seven billion, eight hundred eighty million, one hundred thirty-five thousand, thirteen".