905679963 has 12 divisors (see below), whose sum is σ = 1308727888. Its totient is φ = 603545040.

The previous prime is 905679959. The next prime is 905679991. The reversal of 905679963 is 369976509.

It is not a de Polignac number, because 905679963 - 2² = 905679959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (905679163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5298 + ... + 42888.

Almost surely, 2^905679963 is an apocalyptic number.

905679963 is a deficient number, since it is larger than the sum of its proper divisors (403047925).

905679963 is a wasteful number, since it uses less digits than its factorization.

905679963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40274 (or 40271 counting only the distinct ones).

The product of its (nonzero) digits is 2755620, while the sum is 54.

The square root of 905679963 is about 30094.5171584460. The cubic root of 905679963 is about 967.5162171029.

The spelling of 905679963 in words is "nine hundred five million, six hundred seventy-nine thousand, nine hundred sixty-three".