879148947 has 8 divisors (see below), whose sum is σ = 1175213520. Its totient is φ = 584591840.

The previous prime is 879148939. The next prime is 879148951. The reversal of 879148947 is 749841978.

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

It is a cyclic number.

It is not a de Polignac number, because 879148947 - 2³ = 879148939 is a prime.

It is a super-2 number, since 2×879148947² = 1545805742022417618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (879148147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375504 + ... + 377837.

It is an arithmetic number, because the mean of its divisors is an integer number (146901690).

Almost surely, 2^879148947 is an apocalyptic number.

879148947 is a deficient number, since it is larger than the sum of its proper divisors (296064573).

879148947 is a wasteful number, since it uses less digits than its factorization.

879148947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753733.

The product of its digits is 4064256, while the sum is 57.

The square root of 879148947 is about 29650.4459831551. The cubic root of 879148947 is about 957.9749511482.

The spelling of 879148947 in words is "eight hundred seventy-nine million, one hundred forty-eight thousand, nine hundred forty-seven".