879058949 has 4 divisors (see below), whose sum is σ = 887123820. Its totient is φ = 870994080.

The previous prime is 879058937. The next prime is 879058951. The reversal of 879058949 is 949850978.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 650505025 + 228553924 = 25505^2 + 15118^2 .

It is a cyclic number.

It is not a de Polignac number, because 879058949 - 2¹⁶ = 878993413 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 (879058849) 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, 4032272 + ... + 4032489.

It is an arithmetic number, because the mean of its divisors is an integer number (221780955).

Almost surely, 2^879058949 is an apocalyptic number.

It is an amenable number.

879058949 is a deficient number, since it is larger than the sum of its proper divisors (8064871).

879058949 is a wasteful number, since it uses less digits than its factorization.

879058949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8064870.

The product of its (nonzero) digits is 6531840, while the sum is 59.

The square root of 879058949 is about 29648.9282942908. The cubic root of 879058949 is about 957.9422609076.

The spelling of 879058949 in words is "eight hundred seventy-nine million, fifty-eight thousand, nine hundred forty-nine".