7880542879 has 16 divisors (see below), whose sum is σ = 8656740000. Its totient is φ = 7114475520.

The previous prime is 7880542843. The next prime is 7880542897. The reversal of 7880542879 is 9782450887.

It is a cyclic number.

It is not a de Polignac number, because 7880542879 - 2⁷ = 7880542751 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 (7880542819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1026447 + ... + 1034095.

It is an arithmetic number, because the mean of its divisors is an integer number (541046250).

Almost surely, 2^7880542879 is an apocalyptic number.

7880542879 is a deficient number, since it is larger than the sum of its proper divisors (776197121).

7880542879 is a wasteful number, since it uses less digits than its factorization.

7880542879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8298.

The product of its (nonzero) digits is 9031680, while the sum is 58.

The square root of 7880542879 is about 88772.4218380911. The cubic root of 7880542879 is about 1989.9952761182.

The spelling of 7880542879 in words is "seven billion, eight hundred eighty million, five hundred forty-two thousand, eight hundred seventy-nine".