83354121390 has 32 divisors (see below), whose sum is σ = 201885219360. Its totient is φ = 22023840384.

The previous prime is 83354121373. The next prime is 83354121397. The reversal of 83354121390 is 9312145338.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83354121397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12742009 + ... + 12748548.

It is an arithmetic number, because the mean of its divisors is an integer number (6308913105).

Almost surely, 2^83354121390 is an apocalyptic number.

83354121390 is an abundant number, since it is smaller than the sum of its proper divisors (118531097970).

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

83354121390 is a wasteful number, since it uses less digits than its factorization.

83354121390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25490676.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 83354121390 in words is "eighty-three billion, three hundred fifty-four million, one hundred twenty-one thousand, three hundred ninety".