978675576879 has 64 divisors (see below), whose sum is σ = 1799387089920. Its totient is φ = 456611281920.

The previous prime is 978675576871. The next prime is 978675576881.

It is a happy number.

978675576879 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 978675576879 - 2³ = 978675576871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978675576871) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4292934 + ... + 4515155.

It is an arithmetic number, because the mean of its divisors is an integer number (28115423280).

Almost surely, 2^978675576879 is an apocalyptic number.

978675576879 is a deficient number, since it is larger than the sum of its proper divisors (820711513041).

978675576879 is a wasteful number, since it uses less digits than its factorization.

978675576879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8808160.

The product of its digits is 11202105600, while the sum is 84.

The spelling of 978675576879 in words is "nine hundred seventy-eight billion, six hundred seventy-five million, five hundred seventy-six thousand, eight hundred seventy-nine".