83100087 has 40 divisors (see below), whose sum is σ = 143236896. Its totient is φ = 47029248.

The previous prime is 83100079. The next prime is 83100103. The reversal of 83100087 is 78000138.

It is not a de Polignac number, because 83100087 - 2³ = 83100079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 83100087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83100007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 63423 + ... + 64719.

Almost surely, 2^83100087 is an apocalyptic number.

83100087 is a deficient number, since it is larger than the sum of its proper divisors (60136809).

83100087 is a wasteful number, since it uses less digits than its factorization.

83100087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429 (or 1420 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 83100087 is about 9115.9249119330. The cubic root of 83100087 is about 436.3823326861.

The spelling of 83100087 in words is "eighty-three million, one hundred thousand, eighty-seven".