5147778 has 8 divisors (see below), whose sum is σ = 10295568. Its totient is φ = 1715924.

The previous prime is 5147749. The next prime is 5147789. The reversal of 5147778 is 8777415.

It is a sphenic number, since it is the product of 3 distinct primes.

5147778 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428976 + ... + 428987.

It is an arithmetic number, because the mean of its divisors is an integer number (1286946).

Almost surely, 2^5147778 is an apocalyptic number.

5147778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5147778 is a wasteful number, since it uses less digits than its factorization.

5147778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857968.

The product of its digits is 54880, while the sum is 39.

The square root of 5147778 is about 2268.8715256709. The cubic root of 5147778 is about 172.6659105294.

The spelling of 5147778 in words is "five million, one hundred forty-seven thousand, seven hundred seventy-eight".