79444430143 has 32 divisors (see below), whose sum is σ = 93437245440. Its totient is φ = 66890033280.

The previous prime is 79444430129. The next prime is 79444430159. The reversal of 79444430143 is 34103444497.

It is a cyclic number.

It is not a de Polignac number, because 79444430143 - 2¹³ = 79444421951 is a prime.

It is a super-2 number, since 2×79444430143² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 79444430143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79444460143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1482096 + ... + 1534762.

It is an arithmetic number, because the mean of its divisors is an integer number (2919913920).

Almost surely, 2^79444430143 is an apocalyptic number.

79444430143 is a deficient number, since it is larger than the sum of its proper divisors (13992815297).

79444430143 is a wasteful number, since it uses less digits than its factorization.

79444430143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52927.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 79444430143 in words is "seventy-nine billion, four hundred forty-four million, four hundred thirty thousand, one hundred forty-three".