78224303141 has 4 divisors (see below), whose sum is σ = 78236004300. Its totient is φ = 78212601984.

The previous prime is 78224303137. The next prime is 78224303147. The reversal of 78224303141 is 14130342287.

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

It can be written as a sum of positive squares in 2 ways, for example, as 65700455041 + 12523848100 = 256321^2 + 111910^2 .

It is a cyclic number.

It is not a de Polignac number, because 78224303141 - 2² = 78224303137 is a prime.

It is a super-2 number, since 2×78224303141² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78224303147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5840546 + ... + 5853923.

It is an arithmetic number, because the mean of its divisors is an integer number (19559001075).

Almost surely, 2^78224303141 is an apocalyptic number.

It is an amenable number.

78224303141 is a deficient number, since it is larger than the sum of its proper divisors (11701159).

78224303141 is a wasteful number, since it uses less digits than its factorization.

78224303141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11701158.

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 78224303141 in words is "seventy-eight billion, two hundred twenty-four million, three hundred three thousand, one hundred forty-one".