978363879 has 8 divisors (see below), whose sum is σ = 1339741680. Its totient is φ = 634614336.

The previous prime is 978363877. The next prime is 978363913.

978363879 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 978363879 - 2¹ = 978363877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978363877) 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, 4406934 + ... + 4407155.

It is an arithmetic number, because the mean of its divisors is an integer number (167467710).

Almost surely, 2^978363879 is an apocalyptic number.

978363879 is a deficient number, since it is larger than the sum of its proper divisors (361377801).

978363879 is a wasteful number, since it uses less digits than its factorization.

978363879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8814129.

The product of its digits is 13716864, while the sum is 60.

The square root of 978363879 is about 31278.8087848626. The cubic root of 978363879 is about 992.7353117713.

The spelling of 978363879 in words is "nine hundred seventy-eight million, three hundred sixty-three thousand, eight hundred seventy-nine".