78224403041 has 4 divisors (see below), whose sum is σ = 82825838532. Its totient is φ = 73622967552.

The previous prime is 78224402983. The next prime is 78224403067. The reversal of 78224403041 is 14030442287.

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 60464842816 + 17759560225 = 245896^2 + 133265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78224403041 is a prime.

It is a super-2 number, since 2×78224403041² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78224402992 and 78224403010.

It is not an unprimeable number, because it can be changed into a prime (78224405041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2300717720 + ... + 2300717753.

It is an arithmetic number, because the mean of its divisors is an integer number (20706459633).

Almost surely, 2^78224403041 is an apocalyptic number.

It is an amenable number.

78224403041 is a deficient number, since it is larger than the sum of its proper divisors (4601435491).

78224403041 is a wasteful number, since it uses less digits than its factorization.

78224403041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4601435490.

The product of its (nonzero) digits is 43008, while the sum is 35.

The spelling of 78224403041 in words is "seventy-eight billion, two hundred twenty-four million, four hundred three thousand, forty-one".