1879478005 has 32 divisors (see below), whose sum is σ = 2500761600. Its totient is φ = 1349612352.

The previous prime is 1879477973. The next prime is 1879478017. The reversal of 1879478005 is 5008749781.

It is a cyclic number.

It is not a de Polignac number, because 1879478005 - 2⁵ = 1879477973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1879478005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229776 + ... + 237814.

It is an arithmetic number, because the mean of its divisors is an integer number (78148800).

Almost surely, 2^1879478005 is an apocalyptic number.

It is an amenable number.

1879478005 is a deficient number, since it is larger than the sum of its proper divisors (621283595).

1879478005 is a wasteful number, since it uses less digits than its factorization.

1879478005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8193.

The product of its (nonzero) digits is 564480, while the sum is 49.

The square root of 1879478005 is about 43352.9469009893. The cubic root of 1879478005 is about 1234.0869198196.

The spelling of 1879478005 in words is "one billion, eight hundred seventy-nine million, four hundred seventy-eight thousand, five".