79361143 has 4 divisors (see below), whose sum is σ = 80063568. Its totient is φ = 78658720.

The previous prime is 79361137. The next prime is 79361153. The reversal of 79361143 is 34116397.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79361143 - 2²⁵ = 45806711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79361099 and 79361108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79361123) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 351043 + ... + 351268.

It is an arithmetic number, because the mean of its divisors is an integer number (20015892).

Almost surely, 2^79361143 is an apocalyptic number.

79361143 is a deficient number, since it is larger than the sum of its proper divisors (702425).

79361143 is a wasteful number, since it uses less digits than its factorization.

79361143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702424.

The product of its digits is 13608, while the sum is 34.

The square root of 79361143 is about 8908.4871330659. The cubic root of 79361143 is about 429.7368915027.

The spelling of 79361143 in words is "seventy-nine million, three hundred sixty-one thousand, one hundred forty-three".