7880855 has 8 divisors (see below), whose sum is σ = 9474864. Its totient is φ = 6292800.

The previous prime is 7880849. The next prime is 7880857. The reversal of 7880855 is 5580887.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7880855 - 2⁶ = 7880791 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 (7880857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2315 + ... + 4595.

It is an arithmetic number, because the mean of its divisors is an integer number (1184358).

Almost surely, 2^7880855 is an apocalyptic number.

7880855 is a deficient number, since it is larger than the sum of its proper divisors (1594009).

7880855 is a wasteful number, since it uses less digits than its factorization.

7880855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977.

The product of its (nonzero) digits is 89600, while the sum is 41.

The square root of 7880855 is about 2807.2860559622. The cubic root of 7880855 is about 199.0021548044.

Subtracting from 7880855 its reverse (5580887), we obtain a cube (2299968 = 132³).

The spelling of 7880855 in words is "seven million, eight hundred eighty thousand, eight hundred fifty-five".