1478530685747 has 8 divisors (see below), whose sum is σ = 1559597260800. Its totient is φ = 1397789027784.

The previous prime is 1478530685683. The next prime is 1478530685773. The reversal of 1478530685747 is 7475860358741.

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 1478530685747 - 2⁶ = 1478530685683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1478530585747) 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, 81219923 + ... + 81238124.

It is an arithmetic number, because the mean of its divisors is an integer number (194949657600).

Almost surely, 2^{1478530685747} is an apocalyptic number.

1478530685747 is a deficient number, since it is larger than the sum of its proper divisors (81066575053).

1478530685747 is a wasteful number, since it uses less digits than its factorization.

1478530685747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162458545.

The product of its (nonzero) digits is 158054400, while the sum is 65.

The spelling of 1478530685747 in words is "one trillion, four hundred seventy-eight billion, five hundred thirty million, six hundred eighty-five thousand, seven hundred forty-seven".