83435387474 has 8 divisors (see below), whose sum is σ = 125170396428. Its totient is φ = 41711922000.

The previous prime is 83435387461. The next prime is 83435387479. The reversal of 83435387474 is 47478353438.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 78368083249 + 5067304225 = 279943^2 + 71185^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×83435387474² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83435387479) 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 3 ways as a sum of consecutive naturals, for example, 2867777 + ... + 2896724.

Almost surely, 2^83435387474 is an apocalyptic number.

83435387474 is a deficient number, since it is larger than the sum of its proper divisors (41735008954).

83435387474 is a wasteful number, since it uses less digits than its factorization.

83435387474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5771740.

The product of its digits is 27095040, while the sum is 56.

The spelling of 83435387474 in words is "eighty-three billion, four hundred thirty-five million, three hundred eighty-seven thousand, four hundred seventy-four".