1796255985 has 32 divisors (see below), whose sum is σ = 2960483328. Its totient is φ = 929476800.

The previous prime is 1796255977. The next prime is 1796255987. The reversal of 1796255985 is 5895526971.

It is a happy number.

It is not a de Polignac number, because 1796255985 - 2³ = 1796255977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1796255987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88174 + ... + 106616.

It is an arithmetic number, because the mean of its divisors is an integer number (92515104).

Almost surely, 2^1796255985 is an apocalyptic number.

1796255985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1796255985 is a deficient number, since it is larger than the sum of its proper divisors (1164227343).

1796255985 is a wasteful number, since it uses less digits than its factorization.

1796255985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18645.

The product of its digits is 6804000, while the sum is 57.

The square root of 1796255985 is about 42382.2602629921. The cubic root of 1796255985 is about 1215.5964116212.

The spelling of 1796255985 in words is "one billion, seven hundred ninety-six million, two hundred fifty-five thousand, nine hundred eighty-five".