979428886066 has 4 divisors (see below), whose sum is σ = 1469143329102. Its totient is φ = 489714443032.

The previous prime is 979428886049. The next prime is 979428886103. The reversal of 979428886066 is 660688824979.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 979298264025 + 130622041 = 989595^2 + 11429^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 979428886066.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244857221515 + ... + 244857221518.

Almost surely, 2^979428886066 is an apocalyptic number.

979428886066 is a deficient number, since it is larger than the sum of its proper divisors (489714443036).

979428886066 is a wasteful number, since it uses less digits than its factorization.

979428886066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489714443035.

The product of its (nonzero) digits is 501645312, while the sum is 73.

The spelling of 979428886066 in words is "nine hundred seventy-nine billion, four hundred twenty-eight million, eight hundred eighty-six thousand, sixty-six".