83880011 has 4 divisors (see below), whose sum is σ = 87526992. Its totient is φ = 80233032.

The previous prime is 83880001. The next prime is 83880037. The reversal of 83880011 is 11008838.

It is a happy number.

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 83880011 - 2¹⁴ = 83863627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83880001) 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, 1823456 + ... + 1823501.

It is an arithmetic number, because the mean of its divisors is an integer number (21881748).

Almost surely, 2^83880011 is an apocalyptic number.

83880011 is a deficient number, since it is larger than the sum of its proper divisors (3646981).

83880011 is a wasteful number, since it uses less digits than its factorization.

83880011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646980.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 83880011 is about 9158.6031140125. The cubic root of 83880011 is about 437.7432852058.

Adding to 83880011 its reverse (11008838), we get a palindrome (94888849).

The spelling of 83880011 in words is "eighty-three million, eight hundred eighty thousand, eleven".