10084121778 has 32 divisors (see below), whose sum is σ = 21361418496. Its totient is φ = 3162637568.

The previous prime is 10084121777. The next prime is 10084121779. The reversal of 10084121778 is 87712148001.

It is an interprime number because it is at equal distance from previous prime (10084121777) and next prime (10084121779).

It is not an unprimeable number, because it can be changed into a prime (10084121777) 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, 346375 + ... + 374357.

It is an arithmetic number, because the mean of its divisors is an integer number (667544328).

Almost surely, 2^10084121778 is an apocalyptic number.

10084121778 is an abundant number, since it is smaller than the sum of its proper divisors (11277296718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10084121778 is a wasteful number, since it uses less digits than its factorization.

10084121778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31538.

The product of its (nonzero) digits is 25088, while the sum is 39.

Adding to 10084121778 its reverse (87712148001), we get a palindrome (97796269779).

The spelling of 10084121778 in words is "ten billion, eighty-four million, one hundred twenty-one thousand, seven hundred seventy-eight".