4878989722915 has 72 divisors (see below), whose sum is σ = 7880116542480. Its totient is φ = 2881371588480.

The previous prime is 4878989722897. The next prime is 4878989722933. The reversal of 4878989722915 is 5192279898784.

It is an interprime number because it is at equal distance from previous prime (4878989722897) and next prime (4878989722933).

It is not a de Polignac number, because 4878989722915 - 2²¹ = 4878987625763 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3767812 + ... + 4894321.

It is an arithmetic number, because the mean of its divisors is an integer number (109446063090).

Almost surely, 2^{4878989722915} is an apocalyptic number.

4878989722915 is a deficient number, since it is larger than the sum of its proper divisors (3001126819565).

4878989722915 is a wasteful number, since it uses less digits than its factorization.

4878989722915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8662193 (or 8662175 counting only the distinct ones).

The product of its digits is 1463132160, while the sum is 79.

The spelling of 4878989722915 in words is "four trillion, eight hundred seventy-eight billion, nine hundred eighty-nine million, seven hundred twenty-two thousand, nine hundred fifteen".