1978833833810 has 32 divisors (see below), whose sum is σ = 3583965813120. Its totient is φ = 786630797568.

The previous prime is 1978833833803. The next prime is 1978833833819. The reversal of 1978833833810 is 183383388791.

It is a super-2 number, since 2×1978833833810² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1978833833819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43724954 + ... + 43770186.

It is an arithmetic number, because the mean of its divisors is an integer number (111998931660).

Almost surely, 2^{1978833833810} is an apocalyptic number.

1978833833810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1978833833810 is a deficient number, since it is larger than the sum of its proper divisors (1605131979310).

1978833833810 is a wasteful number, since it uses less digits than its factorization.

1978833833810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72242.

The product of its (nonzero) digits is 20901888, while the sum is 62.

The spelling of 1978833833810 in words is "one trillion, nine hundred seventy-eight billion, eight hundred thirty-three million, eight hundred thirty-three thousand, eight hundred ten".