83537705 has 8 divisors (see below), whose sum is σ = 102690504. Its totient is φ = 65200000.

The previous prime is 83537693. The next prime is 83537759. The reversal of 83537705 is 50773538.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4541161 + 78996544 = 2131^2 + 8888^2 .

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

It is not a de Polignac number, because 83537705 - 2²² = 79343401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203546 + ... + 203955.

It is an arithmetic number, because the mean of its divisors is an integer number (12836313).

Almost surely, 2^83537705 is an apocalyptic number.

It is an amenable number.

83537705 is a deficient number, since it is larger than the sum of its proper divisors (19152799).

83537705 is a wasteful number, since it uses less digits than its factorization.

83537705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407547.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 83537705 is about 9139.8963342042. The cubic root of 83537705 is about 437.1470110562.

The spelling of 83537705 in words is "eighty-three million, five hundred thirty-seven thousand, seven hundred five".