83960570 has 8 divisors (see below), whose sum is σ = 151129044. Its totient is φ = 33584224.

The previous prime is 83960567. The next prime is 83960609. The reversal of 83960570 is 7506938.

It is a Cunningham number, because it is equal to 9163²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 83960569 + 1 = 9163^2 + 1^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4198019 + ... + 4198038.

Almost surely, 2^83960570 is an apocalyptic number.

83960570 is a deficient number, since it is larger than the sum of its proper divisors (67168474).

83960570 is a wasteful number, since it uses less digits than its factorization.

83960570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8396064.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 83960570 is about 9163.0000545673. Note that the first 4 decimals coincide. The cubic root of 83960570 is about 437.8833776926.

The spelling of 83960570 in words is "eighty-three million, nine hundred sixty thousand, five hundred seventy".