79289689454 has 16 divisors (see below), whose sum is σ = 119145403440. Its totient is φ = 39574616640.

The previous prime is 79289689441. The next prime is 79289689471. The reversal of 79289689454 is 45498698297.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2776802 + ... + 2805210.

It is an arithmetic number, because the mean of its divisors is an integer number (7446587715).

Almost surely, 2^79289689454 is an apocalyptic number.

79289689454 is a deficient number, since it is larger than the sum of its proper divisors (39855713986).

79289689454 is a wasteful number, since it uses less digits than its factorization.

79289689454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30835.

The product of its digits is 313528320, while the sum is 71.

The spelling of 79289689454 in words is "seventy-nine billion, two hundred eighty-nine million, six hundred eighty-nine thousand, four hundred fifty-four".