83601011 has 4 divisors (see below), whose sum is σ = 90031872. Its totient is φ = 77170152.

The previous prime is 83600989. The next prime is 83601013. The reversal of 83601011 is 11010638.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83601011 - 2⁶ = 83600947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83601013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3215411 + ... + 3215436.

It is an arithmetic number, because the mean of its divisors is an integer number (22507968).

Almost surely, 2^83601011 is an apocalyptic number.

83601011 is a deficient number, since it is larger than the sum of its proper divisors (6430861).

83601011 is a wasteful number, since it uses less digits than its factorization.

83601011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6430860.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 83601011 is about 9143.3588467259. The cubic root of 83601011 is about 437.2574084751.

Adding to 83601011 its reverse (11010638), we get a palindrome (94611649).

The spelling of 83601011 in words is "eighty-three million, six hundred one thousand, eleven".