1478827873 has 4 divisors (see below), whose sum is σ = 1478924208. Its totient is φ = 1478731540.

The previous prime is 1478827853. The next prime is 1478827891. The reversal of 1478827873 is 3787288741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1478827873 - 2²⁵ = 1445273441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1478827853) 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, 19423 + ... + 57748.

It is an arithmetic number, because the mean of its divisors is an integer number (369731052).

Almost surely, 2^1478827873 is an apocalyptic number.

It is an amenable number.

1478827873 is a deficient number, since it is larger than the sum of its proper divisors (96335).

1478827873 is an equidigital number, since it uses as much as digits as its factorization.

1478827873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96334.

The product of its digits is 4214784, while the sum is 55.

The square root of 1478827873 is about 38455.5311106218. The cubic root of 1478827873 is about 1139.3029166602.

The spelling of 1478827873 in words is "one billion, four hundred seventy-eight million, eight hundred twenty-seven thousand, eight hundred seventy-three".