802485905 has 32 divisors (see below), whose sum is σ = 1053658368. Its totient is φ = 583200000.

The previous prime is 802485889. The next prime is 802485913. The reversal of 802485905 is 509584208.

It is not a de Polignac number, because 802485905 - 2⁴ = 802485889 is a prime.

It is a Duffinian 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, 1647572 + ... + 1648058.

It is an arithmetic number, because the mean of its divisors is an integer number (32926824).

Almost surely, 2^802485905 is an apocalyptic number.

It is an amenable number.

802485905 is a deficient number, since it is larger than the sum of its proper divisors (251172463).

802485905 is a wasteful number, since it uses less digits than its factorization.

802485905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857.

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 802485905 is about 28328.1821689991. The cubic root of 802485905 is about 929.2783182161.

The spelling of 802485905 in words is "eight hundred two million, four hundred eighty-five thousand, nine hundred five".