9803878834 has 4 divisors (see below), whose sum is σ = 14705818254. Its totient is φ = 4901939416.

The previous prime is 9803878831. The next prime is 9803878883. The reversal of 9803878834 is 4388783089.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8353411609 + 1450467225 = 91397^2 + 38085^2 .

It is a super-2 number, since 2×9803878834² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9803878831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2450969707 + ... + 2450969710.

Almost surely, 2^9803878834 is an apocalyptic number.

9803878834 is a deficient number, since it is larger than the sum of its proper divisors (4901939420).

9803878834 is a wasteful number, since it uses less digits than its factorization.

9803878834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4901939419.

The product of its (nonzero) digits is 9289728, while the sum is 58.

The square root of 9803878834 is about 99014.5384981418. The cubic root of 9803878834 is about 2140.2572574823.

The spelling of 9803878834 in words is "nine billion, eight hundred three million, eight hundred seventy-eight thousand, eight hundred thirty-four".