835978933 has 2 divisors, whose sum is σ = 835978934. Its totient is φ = 835978932.

The previous prime is 835978877. The next prime is 835978937. The reversal of 835978933 is 339879538.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 463411729 + 372567204 = 21527^2 + 19302^2 .

It is a cyclic number.

It is not a de Polignac number, because 835978933 - 2⁹ = 835978421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (835978937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417989466 + 417989467.

It is an arithmetic number, because the mean of its divisors is an integer number (417989467).

Almost surely, 2^835978933 is an apocalyptic number.

It is an amenable number.

835978933 is a deficient number, since it is larger than the sum of its proper divisors (1).

835978933 is an equidigital number, since it uses as much as digits as its factorization.

835978933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 55.

The square root of 835978933 is about 28913.3002785915. The cubic root of 835978933 is about 942.0308187380.

The spelling of 835978933 in words is "eight hundred thirty-five million, nine hundred seventy-eight thousand, nine hundred thirty-three".