979228468542 has 16 divisors (see below), whose sum is σ = 1968398345232. Its totient is φ = 324752588160.

The previous prime is 979228468529. The next prime is 979228468553. The reversal of 979228468542 is 245864822979.

It is a super-2 number, since 2×979228468542² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414224059 + ... + 414226422.

It is an arithmetic number, because the mean of its divisors is an integer number (123024896577).

Almost surely, 2^979228468542 is an apocalyptic number.

979228468542 is an abundant number, since it is smaller than the sum of its proper divisors (989169876690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

979228468542 is a wasteful number, since it uses less digits than its factorization.

979228468542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828450683.

The product of its digits is 139345920, while the sum is 66.

The spelling of 979228468542 in words is "nine hundred seventy-nine billion, two hundred twenty-eight million, four hundred sixty-eight thousand, five hundred forty-two".