7854879 has 8 divisors (see below), whose sum is σ = 10629760. Its totient is φ = 5158296.

The previous prime is 7854877. The next prime is 7854887. The reversal of 7854879 is 9784587.

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

It is not a de Polignac number, because 7854879 - 2¹ = 7854877 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 (7854877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19339 + ... + 19740.

It is an arithmetic number, because the mean of its divisors is an integer number (1328720).

Almost surely, 2^7854879 is an apocalyptic number.

7854879 is a deficient number, since it is larger than the sum of its proper divisors (2774881).

7854879 is a wasteful number, since it uses less digits than its factorization.

7854879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39149.

The product of its digits is 564480, while the sum is 48.

The square root of 7854879 is about 2802.6557048628. The cubic root of 7854879 is about 198.7832711991.

The spelling of 7854879 in words is "seven million, eight hundred fifty-four thousand, eight hundred seventy-nine".