979878234826 has 8 divisors (see below), whose sum is σ = 1472810871744. Its totient is φ = 488941277580.

The previous prime is 979878234817. The next prime is 979878234833. The reversal of 979878234826 is 628432878979.

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

It is a super-2 number, since 2×979878234826² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498918690 + ... + 498920653.

It is an arithmetic number, because the mean of its divisors is an integer number (184101358968).

Almost surely, 2^979878234826 is an apocalyptic number.

979878234826 is a deficient number, since it is larger than the sum of its proper divisors (492932636918).

979878234826 is a wasteful number, since it uses less digits than its factorization.

979878234826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997839836.

The product of its digits is 585252864, while the sum is 73.

The spelling of 979878234826 in words is "nine hundred seventy-nine billion, eight hundred seventy-eight million, two hundred thirty-four thousand, eight hundred twenty-six".