415878122667 has 16 divisors (see below), whose sum is σ = 633728252160. Its totient is φ = 237641188512.

The previous prime is 415878122663. The next prime is 415878122687. The reversal of 415878122667 is 766221878514.

It is not a de Polignac number, because 415878122667 - 2² = 415878122663 is a prime.

It is a super-2 number, since 2×415878122667² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (415878122663) 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, 2305684 + ... + 2479502.

It is an arithmetic number, because the mean of its divisors is an integer number (39608015760).

Almost surely, 2^415878122667 is an apocalyptic number.

415878122667 is a deficient number, since it is larger than the sum of its proper divisors (217850129493).

415878122667 is a wasteful number, since it uses less digits than its factorization.

415878122667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287762.

The product of its digits is 9031680, while the sum is 57.

The spelling of 415878122667 in words is "four hundred fifteen billion, eight hundred seventy-eight million, one hundred twenty-two thousand, six hundred sixty-seven".