83500005 has 48 divisors (see below), whose sum is σ = 148115520. Its totient is φ = 40026624.

The previous prime is 83499991. The next prime is 83500013. The reversal of 83500005 is 50000538.

It is not a de Polignac number, because 83500005 - 2⁴ = 83499989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134586 + ... + 135204.

It is an arithmetic number, because the mean of its divisors is an integer number (3085740).

Almost surely, 2^83500005 is an apocalyptic number.

83500005 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

83500005 is a deficient number, since it is larger than the sum of its proper divisors (64615515).

83500005 is a wasteful number, since it uses less digits than its factorization.

83500005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 83500005 is about 9137.8337148364. The cubic root of 83500005 is about 437.0812406670.

The spelling of 83500005 in words is "eighty-three million, five hundred thousand, five".