83122087 has 4 divisors (see below), whose sum is σ = 83329776. Its totient is φ = 82914400.

The previous prime is 83122063. The next prime is 83122097. The reversal of 83122087 is 78022138.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83122087 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83122007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103243 + ... + 104044.

It is an arithmetic number, because the mean of its divisors is an integer number (20832444).

Almost surely, 2^83122087 is an apocalyptic number.

83122087 is a deficient number, since it is larger than the sum of its proper divisors (207689).

83122087 is a wasteful number, since it uses less digits than its factorization.

83122087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207688.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 83122087 is about 9117.1315116104. The cubic root of 83122087 is about 436.4208387198.

The spelling of 83122087 in words is "eighty-three million, one hundred twenty-two thousand, eighty-seven".