4278538073007 has 48 divisors (see below), whose sum is σ = 6765040009728. Its totient is φ = 2584171175040.

The previous prime is 4278538072969. The next prime is 4278538073021. The reversal of 4278538073007 is 7003708358724.

It is a happy number.

4278538073007 is a `hidden beast` number, since 4 + 2 + 78 + 538 + 0 + 7 + 30 + 0 + 7 = 666.

It is not a de Polignac number, because 4278538073007 - 2⁶ = 4278538072943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278538073207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 352339978 + ... + 352352120.

It is an arithmetic number, because the mean of its divisors is an integer number (140938333536).

Almost surely, 2^{4278538073007} is an apocalyptic number.

4278538073007 is a deficient number, since it is larger than the sum of its proper divisors (2486501936721).

4278538073007 is a wasteful number, since it uses less digits than its factorization.

4278538073007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24060 (or 24057 counting only the distinct ones).

The product of its (nonzero) digits is 7902720, while the sum is 54.

The spelling of 4278538073007 in words is "four trillion, two hundred seventy-eight billion, five hundred thirty-eight million, seventy-three thousand, seven".