1478568947 has 8 divisors (see below), whose sum is σ = 1489943280. Its totient is φ = 1467233280.

The previous prime is 1478568943. The next prime is 1478568967. The reversal of 1478568947 is 7498658741.

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

It is a cyclic number.

It is not a de Polignac number, because 1478568947 - 2² = 1478568943 is a prime.

It is a super-2 number, since 2×1478568947² = 4372332262065377618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1478568941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69572 + ... + 88302.

It is an arithmetic number, because the mean of its divisors is an integer number (186242910).

Almost surely, 2^1478568947 is an apocalyptic number.

1478568947 is a deficient number, since it is larger than the sum of its proper divisors (11374333).

1478568947 is a wasteful number, since it uses less digits than its factorization.

1478568947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19333.

The product of its digits is 13547520, while the sum is 59.

The square root of 1478568947 is about 38452.1643994197. The cubic root of 1478568947 is about 1139.2364197696.

The spelling of 1478568947 in words is "one billion, four hundred seventy-eight million, five hundred sixty-eight thousand, nine hundred forty-seven".