5178605420 has 24 divisors (see below), whose sum is σ = 11447444400. Its totient is φ = 1962418752.

The previous prime is 5178605417. The next prime is 5178605423. The reversal of 5178605420 is 245068715.

It is an interprime number because it is at equal distance from previous prime (5178605417) and next prime (5178605423).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (5178605423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6813575 + ... + 6814334.

It is an arithmetic number, because the mean of its divisors is an integer number (476976850).

Almost surely, 2^5178605420 is an apocalyptic number.

It is an amenable number.

5178605420 is an abundant number, since it is smaller than the sum of its proper divisors (6268838980).

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

5178605420 is a wasteful number, since it uses less digits than its factorization.

5178605420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13627937 (or 13627935 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 5178605420 is about 71962.5278877834. The cubic root of 5178605420 is about 1730.0989418503.

The spelling of 5178605420 in words is "five billion, one hundred seventy-eight million, six hundred five thousand, four hundred twenty".