83545705 has 8 divisors (see below), whose sum is σ = 100518912. Its totient is φ = 66660528.

The previous prime is 83545703. The next prime is 83545747. The reversal of 83545705 is 50754538.

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

It is a cyclic number.

It is not a de Polignac number, because 83545705 - 2¹ = 83545703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83545703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19899 + ... + 23728.

It is an arithmetic number, because the mean of its divisors is an integer number (12564864).

Almost surely, 2^83545705 is an apocalyptic number.

It is an amenable number.

83545705 is a deficient number, since it is larger than the sum of its proper divisors (16973207).

83545705 is a wasteful number, since it uses less digits than its factorization.

83545705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44015.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 83545705 is about 9140.3339654522. Note that the first 3 decimals coincide. The cubic root of 83545705 is about 437.1609650923.

The spelling of 83545705 in words is "eighty-three million, five hundred forty-five thousand, seven hundred five".