4078047015 has 24 divisors (see below), whose sum is σ = 8078417568. Its totient is φ = 1864249920.

The previous prime is 4078047013. The next prime is 4078047031. The reversal of 4078047015 is 5107408704.

4078047015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4078047015 - 2¹ = 4078047013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4078047011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6472776 + ... + 6473405.

It is an arithmetic number, because the mean of its divisors is an integer number (336600732).

Almost surely, 2^4078047015 is an apocalyptic number.

4078047015 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4078047015 is a deficient number, since it is larger than the sum of its proper divisors (4000370553).

4078047015 is a wasteful number, since it uses less digits than its factorization.

4078047015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12946199 (or 12946196 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 4078047015 is about 63859.5882777207. The cubic root of 4078047015 is about 1597.6589480879.

The spelling of 4078047015 in words is "four billion, seventy-eight million, forty-seven thousand, fifteen".