83505510099 has 24 divisors (see below), whose sum is σ = 133548397632. Its totient is φ = 49854031920.

The previous prime is 83505510097. The next prime is 83505510103. The reversal of 83505510099 is 99001550538.

83505510099 is a `hidden beast` number, since 8 + 3 + 5 + 0 + 551 + 0 + 0 + 99 = 666.

It is not a de Polignac number, because 83505510099 - 2¹ = 83505510097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83505510091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6288069 + ... + 6301334.

It is an arithmetic number, because the mean of its divisors is an integer number (5564516568).

Almost surely, 2^83505510099 is an apocalyptic number.

83505510099 is a deficient number, since it is larger than the sum of its proper divisors (50042887533).

83505510099 is a wasteful number, since it uses less digits than its factorization.

83505510099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12589487 (or 12589484 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 45.

The spelling of 83505510099 in words is "eighty-three billion, five hundred five million, five hundred ten thousand, ninety-nine".