83300987 has 16 divisors (see below), whose sum is σ = 104508672. Its totient is φ = 64501920.

The previous prime is 83300977. The next prime is 83300993. The reversal of 83300987 is 78900338.

It is not a de Polignac number, because 83300987 - 2¹⁸ = 83038843 is a prime.

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 83300987.

It is not an unprimeable number, because it can be changed into a prime (83300947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9233 + ... + 15869.

It is an arithmetic number, because the mean of its divisors is an integer number (6531792).

Almost surely, 2^83300987 is an apocalyptic number.

83300987 is a deficient number, since it is larger than the sum of its proper divisors (21207685).

83300987 is a wasteful number, since it uses less digits than its factorization.

83300987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6818.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 83300987 is about 9126.9374381553. The cubic root of 83300987 is about 436.7337108046.

The spelling of 83300987 in words is "eighty-three million, three hundred thousand, nine hundred eighty-seven".