78226322362287 has 128 divisors (see below), whose sum is σ = 127393136640000. Its totient is φ = 42151923072000.

The previous prime is 78226322362247. The next prime is 78226322362337.

78226322362287 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 78226322362287 - 2¹¹ = 78226322360239 is a prime.

It is a super-2 number, since 2×78226322362287² (a number of 29 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 78226322362287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78226322362217) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 201837714 + ... + 202224912.

It is an arithmetic number, because the mean of its divisors is an integer number (995258880000).

Almost surely, 2^{78226322362287} is an apocalyptic number.

78226322362287 is a deficient number, since it is larger than the sum of its proper divisors (49166814277713).

78226322362287 is a wasteful number, since it uses less digits than its factorization.

78226322362287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387573.

The product of its digits is 65028096, while the sum is 60.

The spelling of 78226322362287 in words is "seventy-eight trillion, two hundred twenty-six billion, three hundred twenty-two million, three hundred sixty-two thousand, two hundred eighty-seven".