478022758715 has 16 divisors (see below), whose sum is σ = 599074629696. Its totient is φ = 365481494400.

The previous prime is 478022758711. The next prime is 478022758727. The reversal of 478022758715 is 517857220874.

It is not a de Polignac number, because 478022758715 - 2² = 478022758711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478022758711) 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, 1624016 + ... + 1895645.

It is an arithmetic number, because the mean of its divisors is an integer number (37442164356).

Almost surely, 2^478022758715 is an apocalyptic number.

478022758715 is a deficient number, since it is larger than the sum of its proper divisors (121051870981).

478022758715 is a wasteful number, since it uses less digits than its factorization.

478022758715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520870.

The product of its (nonzero) digits is 8780800, while the sum is 56.

The spelling of 478022758715 in words is "four hundred seventy-eight billion, twenty-two million, seven hundred fifty-eight thousand, seven hundred fifteen".