5178946007 has 4 divisors (see below), whose sum is σ = 5191306680. Its totient is φ = 5166585336.

The previous prime is 5178945923. The next prime is 5178946013. The reversal of 5178946007 is 7006498715.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5178946007 - 2²⁸ = 4910510551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5178946057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6179708 + ... + 6180545.

It is an arithmetic number, because the mean of its divisors is an integer number (1297826670).

Almost surely, 2^5178946007 is an apocalyptic number.

5178946007 is a deficient number, since it is larger than the sum of its proper divisors (12360673).

5178946007 is a wasteful number, since it uses less digits than its factorization.

5178946007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12360672.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 5178946007 is about 71964.8942679693. The cubic root of 5178946007 is about 1730.1368694546.

The spelling of 5178946007 in words is "five billion, one hundred seventy-eight million, nine hundred forty-six thousand, seven".