979061821903 has 8 divisors (see below), whose sum is σ = 1068269752656. Its totient is φ = 889887609600.

The previous prime is 979061821883. The next prime is 979061821937. The reversal of 979061821903 is 309128160979.

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

It is not a de Polignac number, because 979061821903 - 2⁹ = 979061821391 is a prime.

It is a super-2 number, since 2×979061821903² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (979061821973) by changing a digit.

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, 8368876 + ... + 8485057.

It is an arithmetic number, because the mean of its divisors is an integer number (133533719082).

Almost surely, 2^979061821903 is an apocalyptic number.

979061821903 is a deficient number, since it is larger than the sum of its proper divisors (89207930753).

979061821903 is a wasteful number, since it uses less digits than its factorization.

979061821903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16859225.

The product of its (nonzero) digits is 1469664, while the sum is 55.

It can be divided in two parts, 979061 and 821903, that added together give a square (1800964 = 1342²).

The spelling of 979061821903 in words is "nine hundred seventy-nine billion, sixty-one million, eight hundred twenty-one thousand, nine hundred three".