1477879478 has 8 divisors (see below), whose sum is σ = 2219105160. Its totient is φ = 738177760.

The previous prime is 1477879477. The next prime is 1477879511. The reversal of 1477879478 is 8749787741.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1477879478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1477879477) 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, 378563 + ... + 382446.

It is an arithmetic number, because the mean of its divisors is an integer number (277388145).

Almost surely, 2^1477879478 is an apocalyptic number.

1477879478 is a deficient number, since it is larger than the sum of its proper divisors (741225682).

1477879478 is an equidigital number, since it uses as much as digits as its factorization.

1477879478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761982.

The product of its digits is 22127616, while the sum is 62.

The square root of 1477879478 is about 38443.1980719607. The cubic root of 1477879478 is about 1139.0593137649.

The spelling of 1477879478 in words is "one billion, four hundred seventy-seven million, eight hundred seventy-nine thousand, four hundred seventy-eight".