7874879 has 4 divisors (see below), whose sum is σ = 7948584. Its totient is φ = 7801176.

The previous prime is 7874861. The next prime is 7874887. The reversal of 7874879 is 9784787.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9784787 = 83 ⋅117889.

It is a cyclic number.

It is not a de Polignac number, because 7874879 - 2¹⁶ = 7809343 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 (7874819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36692 + ... + 36905.

It is an arithmetic number, because the mean of its divisors is an integer number (1987146).

Almost surely, 2^7874879 is an apocalyptic number.

7874879 is a deficient number, since it is larger than the sum of its proper divisors (73705).

7874879 is a wasteful number, since it uses less digits than its factorization.

7874879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73704.

The product of its digits is 790272, while the sum is 50.

The square root of 7874879 is about 2806.2214809241. The cubic root of 7874879 is about 198.9518414141.

The spelling of 7874879 in words is "seven million, eight hundred seventy-four thousand, eight hundred seventy-nine".