879477499 has 4 divisors (see below), whose sum is σ = 879809440. Its totient is φ = 879145560.

The previous prime is 879477463. The next prime is 879477517. The reversal of 879477499 is 994774978.

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

It is a cyclic number.

It is not a de Polignac number, because 879477499 - 2¹¹ = 879475451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 879477499.

It is not an unprimeable number, because it can be changed into a prime (879477449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161964 + ... + 167305.

It is an arithmetic number, because the mean of its divisors is an integer number (219952360).

Almost surely, 2^879477499 is an apocalyptic number.

879477499 is a deficient number, since it is larger than the sum of its proper divisors (331941).

879477499 is a wasteful number, since it uses less digits than its factorization.

879477499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331940.

The product of its digits is 32006016, while the sum is 64.

The square root of 879477499 is about 29655.9858881812. The cubic root of 879477499 is about 958.0942731307.

The spelling of 879477499 in words is "eight hundred seventy-nine million, four hundred seventy-seven thousand, four hundred ninety-nine".