83618804 has 6 divisors (see below), whose sum is σ = 146332914. Its totient is φ = 41809400.

The previous prime is 83618771. The next prime is 83618819. The reversal of 83618804 is 40881638.

83618804 is nontrivially palindromic in base 16.

It can be written as a sum of positive squares in only one way, i.e., 59136100 + 24482704 = 7690^2 + 4948^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10452347 + ... + 10452354.

It is an arithmetic number, because the mean of its divisors is an integer number (24388819).

Almost surely, 2^83618804 is an apocalyptic number.

It is an amenable number.

83618804 is a deficient number, since it is larger than the sum of its proper divisors (62714110).

83618804 is a wasteful number, since it uses less digits than its factorization.

83618804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20904705 (or 20904703 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 83618804 is about 9144.3317962550. The cubic root of 83618804 is about 437.2884271158.

The spelling of 83618804 in words is "eighty-three million, six hundred eighteen thousand, eight hundred four".