83507884 has 6 divisors (see below), whose sum is σ = 146138804. Its totient is φ = 41753940.

The previous prime is 83507881. The next prime is 83507891. The reversal of 83507884 is 48870538.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 83507884.

It is not an unprimeable number, because it can be changed into a prime (83507881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10438482 + ... + 10438489.

Almost surely, 2^83507884 is an apocalyptic number.

It is an amenable number.

83507884 is a deficient number, since it is larger than the sum of its proper divisors (62630920).

83507884 is a wasteful number, since it uses less digits than its factorization.

83507884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20876975 (or 20876973 counting only the distinct ones).

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

The square root of 83507884 is about 9138.2648243526. The cubic root of 83507884 is about 437.0949877911.

The spelling of 83507884 in words is "eighty-three million, five hundred seven thousand, eight hundred eighty-four".