7880055 has 16 divisors (see below), whose sum is σ = 12722400. Its totient is φ = 4164608.

The previous prime is 7880021. The next prime is 7880063. The reversal of 7880055 is 5500887.

It is a cyclic number.

It is not a de Polignac number, because 7880055 - 2⁸ = 7879799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7879998 and 7880025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630 + ... + 4019.

It is an arithmetic number, because the mean of its divisors is an integer number (795150).

Almost surely, 2^7880055 is an apocalyptic number.

7880055 is a deficient number, since it is larger than the sum of its proper divisors (4842345).

7880055 is a wasteful number, since it uses less digits than its factorization.

7880055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4770.

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 7880055 is about 2807.1435659759. The cubic root of 7880055 is about 198.9954208857.

The spelling of 7880055 in words is "seven million, eight hundred eighty thousand, fifty-five".