7879057 has 4 divisors (see below), whose sum is σ = 7887796. Its totient is φ = 7870320.

The previous prime is 7879051. The next prime is 7879061. The reversal of 7879057 is 7509787.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4227136 + 3651921 = 2056^2 + 1911^2 .

It is a cyclic number.

It is not a de Polignac number, because 7879057 - 2¹⁹ = 7354769 is a prime.

It is a Duffinian number.

7879057 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7879051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2838 + ... + 4879.

It is an arithmetic number, because the mean of its divisors is an integer number (1971949).

Almost surely, 2^7879057 is an apocalyptic number.

It is an amenable number.

7879057 is a deficient number, since it is larger than the sum of its proper divisors (8739).

7879057 is a wasteful number, since it uses less digits than its factorization.

7879057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8738.

The product of its (nonzero) digits is 123480, while the sum is 43.

The square root of 7879057 is about 2806.9657995779. The cubic root of 7879057 is about 198.9870196831.

Subtracting from 7879057 its product of nonzero digits (123480), we obtain a palindrome (7755577).

The spelling of 7879057 in words is "seven million, eight hundred seventy-nine thousand, fifty-seven".