978835203 has 6 divisors (see below), whose sum is σ = 1413873084. Its totient is φ = 652556796.

The previous prime is 978835159. The next prime is 978835243. The reversal of 978835203 is 302538879.

It is not a de Polignac number, because 978835203 - 2⁶ = 978835139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (978835243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54379725 + ... + 54379742.

It is an arithmetic number, because the mean of its divisors is an integer number (235645514).

Almost surely, 2^978835203 is an apocalyptic number.

978835203 is a deficient number, since it is larger than the sum of its proper divisors (435037881).

978835203 is a wasteful number, since it uses less digits than its factorization.

978835203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108759473 (or 108759470 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 978835203 is about 31286.3421160097. The cubic root of 978835203 is about 992.8947019776.

The spelling of 978835203 in words is "nine hundred seventy-eight million, eight hundred thirty-five thousand, two hundred three".