679025807481 has 8 divisors (see below), whose sum is σ = 1034705992384. Its totient is φ = 388014747120.

The previous prime is 679025807461. The next prime is 679025807489. The reversal of 679025807481 is 184708520976.

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

It is not a de Polignac number, because 679025807481 - 2¹¹ = 679025805433 is a prime.

It is a super-2 number, since 2×679025807481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679025807489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16167281110 + ... + 16167281151.

It is an arithmetic number, because the mean of its divisors is an integer number (129338249048).

Almost surely, 2^679025807481 is an apocalyptic number.

It is an amenable number.

679025807481 is a deficient number, since it is larger than the sum of its proper divisors (355680184903).

679025807481 is a wasteful number, since it uses less digits than its factorization.

679025807481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32334562271.

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 679025807481 in words is "six hundred seventy-nine billion, twenty-five million, eight hundred seven thousand, four hundred eighty-one".