407878466451 has 16 divisors (see below), whose sum is σ = 544283271168. Its totient is φ = 271696420800.

The previous prime is 407878466417. The next prime is 407878466459. The reversal of 407878466451 is 154664878704.

It is not a de Polignac number, because 407878466451 - 2¹⁰ = 407878465427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (407878466459) 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, 20311746 + ... + 20331816.

It is an arithmetic number, because the mean of its divisors is an integer number (34017704448).

Almost surely, 2^407878466451 is an apocalyptic number.

407878466451 is a deficient number, since it is larger than the sum of its proper divisors (136404804717).

407878466451 is a wasteful number, since it uses less digits than its factorization.

407878466451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25282.

The product of its (nonzero) digits is 36126720, while the sum is 60.

The spelling of 407878466451 in words is "four hundred seven billion, eight hundred seventy-eight million, four hundred sixty-six thousand, four hundred fifty-one".