83435377475 has 12 divisors (see below), whose sum is σ = 103497534216. Its totient is φ = 66724001280.

The previous prime is 83435377471. The next prime is 83435377489. The reversal of 83435377475 is 57477353438.

It is a happy number.

It is not a de Polignac number, because 83435377475 - 2² = 83435377471 is a prime.

It is a super-2 number, since 2×83435377475² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83435377475.

It is not an unprimeable number, because it can be changed into a prime (83435377471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537317 + ... + 674966.

It is an arithmetic number, because the mean of its divisors is an integer number (8624794518).

Almost surely, 2^83435377475 is an apocalyptic number.

83435377475 is a deficient number, since it is larger than the sum of its proper divisors (20062156741).

83435377475 is a wasteful number, since it uses less digits than its factorization.

83435377475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215046 (or 1215041 counting only the distinct ones).

The product of its digits is 29635200, while the sum is 56.

The spelling of 83435377475 in words is "eighty-three billion, four hundred thirty-five million, three hundred seventy-seven thousand, four hundred seventy-five".