979488023521 has 8 divisors (see below), whose sum is σ = 1119425263040. Its totient is φ = 839553378768.

The previous prime is 979488023519. The next prime is 979488023539. The reversal of 979488023521 is 125320884979.

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

It is a cyclic number.

It is not a de Polignac number, because 979488023521 - 2¹ = 979488023519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (979488023821) 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, 241690 + ... + 1420348.

It is an arithmetic number, because the mean of its divisors is an integer number (139928157880).

Almost surely, 2^979488023521 is an apocalyptic number.

It is an amenable number.

979488023521 is a deficient number, since it is larger than the sum of its proper divisors (139937239519).

979488023521 is a wasteful number, since it uses less digits than its factorization.

979488023521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297383.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 979488023521 in words is "nine hundred seventy-nine billion, four hundred eighty-eight million, twenty-three thousand, five hundred twenty-one".