1793479985 has 16 divisors (see below), whose sum is σ = 2392130880. Its totient is φ = 1279736640.

The previous prime is 1793479979. The next prime is 1793479999. The reversal of 1793479985 is 5899743971.

It is not a de Polignac number, because 1793479985 - 2⁴ = 1793479969 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304715 + ... + 310544.

It is an arithmetic number, because the mean of its divisors is an integer number (149508180).

Almost surely, 2^1793479985 is an apocalyptic number.

It is an amenable number.

1793479985 is a deficient number, since it is larger than the sum of its proper divisors (598650895).

1793479985 is a wasteful number, since it uses less digits than its factorization.

1793479985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615328.

The product of its digits is 17146080, while the sum is 62.

The square root of 1793479985 is about 42349.4980489734. The cubic root of 1793479985 is about 1214.9698796351.

The spelling of 1793479985 in words is "one billion, seven hundred ninety-three million, four hundred seventy-nine thousand, nine hundred eighty-five".