5478780006 has 32 divisors (see below), whose sum is σ = 13914362880. Its totient is φ = 1565365608.

The previous prime is 5478780001. The next prime is 5478780011. The reversal of 5478780006 is 6000878745.

It is an interprime number because it is at equal distance from previous prime (5478780001) and next prime (5478780011).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5478780001) 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, 7246686 + ... + 7247441.

It is an arithmetic number, because the mean of its divisors is an integer number (434823840).

Almost surely, 2^5478780006 is an apocalyptic number.

5478780006 is an abundant number, since it is smaller than the sum of its proper divisors (8435582874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5478780006 is a wasteful number, since it uses less digits than its factorization.

5478780006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14494145 (or 14494139 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 5478780006 is about 74018.7814409289. The cubic root of 5478780006 is about 1762.9011215596.

The spelling of 5478780006 in words is "five billion, four hundred seventy-eight million, seven hundred eighty thousand, six".