83955785535 has 48 divisors (see below), whose sum is σ = 151977518784. Its totient is φ = 42793783296.

The previous prime is 83955785531. The next prime is 83955785569. The reversal of 83955785535 is 53558755938.

83955785535 is a `hidden beast` number, since 8 + 3 + 9 + 5 + 5 + 78 + 553 + 5 = 666.

It is not a de Polignac number, because 83955785535 - 2² = 83955785531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83955785531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1226269 + ... + 1292921.

It is an arithmetic number, because the mean of its divisors is an integer number (3166198308).

Almost surely, 2^83955785535 is an apocalyptic number.

83955785535 is a deficient number, since it is larger than the sum of its proper divisors (68021733249).

83955785535 is a wasteful number, since it uses less digits than its factorization.

83955785535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67904 (or 67901 counting only the distinct ones).

The product of its digits is 113400000, while the sum is 63.

The spelling of 83955785535 in words is "eighty-three billion, nine hundred fifty-five million, seven hundred eighty-five thousand, five hundred thirty-five".