1477431847 has 6 divisors (see below), whose sum is σ = 1479898784. Its totient is φ = 1474968420.

The previous prime is 1477431833. The next prime is 1477431881. The reversal of 1477431847 is 7481347741.

It is not a de Polignac number, because 1477431847 - 2¹⁹ = 1476907559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1477431797 and 1477431806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1477431817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 942058 + ... + 943624.

Almost surely, 2^1477431847 is an apocalyptic number.

1477431847 is a deficient number, since it is larger than the sum of its proper divisors (2466937).

1477431847 is an frugal number, since it uses more digits than its factorization.

1477431847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3509 (or 2538 counting only the distinct ones).

The product of its digits is 526848, while the sum is 46.

The square root of 1477431847 is about 38437.3756518314. The cubic root of 1477431847 is about 1138.9442999327.

The spelling of 1477431847 in words is "one billion, four hundred seventy-seven million, four hundred thirty-one thousand, eight hundred forty-seven".