45178862866479 has 16 divisors (see below), whose sum is σ = 68488198662400. Its totient is φ = 29418794423928.

The previous prime is 45178862866451. The next prime is 45178862866481. The reversal of 45178862866479 is 97466826887154.

45178862866479 is a `hidden beast` number, since 4 + 5 + 1 + 7 + 8 + 8 + 62 + 86 + 6 + 479 = 666.

It is not a de Polignac number, because 45178862866479 - 2⁹ = 45178862865967 is a prime.

It is a super-2 number, since 2×45178862866479² (a number of 28 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 = 45178862866398 and 45178862866407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45178862866499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19456873459 + ... + 19456875780.

It is an arithmetic number, because the mean of its divisors is an integer number (4280512416400).

Almost surely, 2^{45178862866479} is an apocalyptic number.

45178862866479 is a deficient number, since it is larger than the sum of its proper divisors (23309335795921).

45178862866479 is a wasteful number, since it uses less digits than its factorization.

45178862866479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38913749291 (or 38913749285 counting only the distinct ones).

The product of its digits is 7803371520, while the sum is 81.

The spelling of 45178862866479 in words is "forty-five trillion, one hundred seventy-eight billion, eight hundred sixty-two million, eight hundred sixty-six thousand, four hundred seventy-nine".