7879755 has 32 divisors (see below), whose sum is σ = 14382144. Its totient is φ = 3649536.

The previous prime is 7879747. The next prime is 7879757. The reversal of 7879755 is 5579787.

It is not a de Polignac number, because 7879755 - 2³ = 7879747 is a prime.

7879755 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7879757) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2127 + ... + 4503.

It is an arithmetic number, because the mean of its divisors is an integer number (449442).

Almost surely, 2^7879755 is an apocalyptic number.

7879755 is a deficient number, since it is larger than the sum of its proper divisors (6502389).

7879755 is a wasteful number, since it uses less digits than its factorization.

7879755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415.

The product of its digits is 617400, while the sum is 48.

The square root of 7879755 is about 2807.0901303663. The cubic root of 7879755 is about 198.9928955487.

Subtracting from 7879755 its reverse (5579787), we obtain a cube (2299968 = 132³).

The spelling of 7879755 in words is "seven million, eight hundred seventy-nine thousand, seven hundred fifty-five".