78224288242287 has 32 divisors (see below), whose sum is σ = 113917494749184. Its totient is φ = 47351703449600.

The previous prime is 78224288242277. The next prime is 78224288242291.

78224288242287 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 78224288242287 - 2¹¹ = 78224288240239 is a prime.

It is a super-2 number, since 2×78224288242287² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78224288242277) 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, 482734303 + ... + 482896319.

It is an arithmetic number, because the mean of its divisors is an integer number (3559921710912).

Almost surely, 2^{78224288242287} is an apocalyptic number.

78224288242287 is a deficient number, since it is larger than the sum of its proper divisors (35693206506897).

78224288242287 is a wasteful number, since it uses less digits than its factorization.

78224288242287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179519.

The product of its digits is 205520896, while the sum is 66.

The spelling of 78224288242287 in words is "seventy-eight trillion, two hundred twenty-four billion, two hundred eighty-eight million, two hundred forty-two thousand, two hundred eighty-seven".