83773911 has 8 divisors (see below), whose sum is σ = 120290800. Its totient is φ = 51553152.

The previous prime is 83773903. The next prime is 83773913. The reversal of 83773911 is 11937738.

It is a happy number.

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

It is not a de Polignac number, because 83773911 - 2³ = 83773903 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 2148049 = 83773911 / (8 + 3 + 7 + 7 + 3 + 9 + 1 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83773911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83773913) 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 7 ways as a sum of consecutive naturals, for example, 1073986 + ... + 1074063.

It is an arithmetic number, because the mean of its divisors is an integer number (15036350).

Almost surely, 2^83773911 is an apocalyptic number.

83773911 is a deficient number, since it is larger than the sum of its proper divisors (36516889).

83773911 is a wasteful number, since it uses less digits than its factorization.

83773911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148065.

The product of its digits is 31752, while the sum is 39.

The square root of 83773911 is about 9152.8089131151. The cubic root of 83773911 is about 437.5586398678.

It can be divided in two parts, 837739 and 11, that multiplied together give a palindrome (9215129).

The spelling of 83773911 in words is "eighty-three million, seven hundred seventy-three thousand, nine hundred eleven".