1478410434887 has 4 divisors (see below), whose sum is σ = 1481617399416. Its totient is φ = 1475203470360.

The previous prime is 1478410434881. The next prime is 1478410434911. The reversal of 1478410434887 is 7884340148741.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1478410434887 - 2²² = 1478406240583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478410434881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1603481573 + ... + 1603482494.

It is an arithmetic number, because the mean of its divisors is an integer number (370404349854).

Almost surely, 2^{1478410434887} is an apocalyptic number.

1478410434887 is a deficient number, since it is larger than the sum of its proper divisors (3206964529).

1478410434887 is an equidigital number, since it uses as much as digits as its factorization.

1478410434887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206964528.

The product of its (nonzero) digits is 19267584, while the sum is 59.

The spelling of 1478410434887 in words is "one trillion, four hundred seventy-eight billion, four hundred ten million, four hundred thirty-four thousand, eight hundred eighty-seven".