83500427 has 4 divisors (see below), whose sum is σ = 83650896. Its totient is φ = 83349960.

The previous prime is 83500381. The next prime is 83500441. The reversal of 83500427 is 72400538.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 83500427 - 2⁶ = 83500363 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 83500427.

It is not an unprimeable number, because it can be changed into a prime (83500127) 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, 74399 + ... + 75512.

It is an arithmetic number, because the mean of its divisors is an integer number (20912724).

Almost surely, 2^83500427 is an apocalyptic number.

83500427 is a deficient number, since it is larger than the sum of its proper divisors (150469).

83500427 is a wasteful number, since it uses less digits than its factorization.

83500427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150468.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 83500427 is about 9137.8568056191. The cubic root of 83500427 is about 437.0819769862.

The spelling of 83500427 in words is "eighty-three million, five hundred thousand, four hundred twenty-seven".