83504788 has 12 divisors (see below), whose sum is σ = 147201012. Its totient is φ = 41447360.

The previous prime is 83504779. The next prime is 83504801. The reversal of 83504788 is 88740538.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 35784324 + 47720464 = 5982^2 + 6908^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75643 + ... + 76738.

It is an arithmetic number, because the mean of its divisors is an integer number (12266751).

Almost surely, 2^83504788 is an apocalyptic number.

It is an amenable number.

83504788 is a deficient number, since it is larger than the sum of its proper divisors (63696224).

83504788 is a wasteful number, since it uses less digits than its factorization.

83504788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152522 (or 152520 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 83504788 is about 9138.0954251967. The cubic root of 83504788 is about 437.0895860543.

The spelling of 83504788 in words is "eighty-three million, five hundred four thousand, seven hundred eighty-eight".