83869087 has 4 divisors (see below), whose sum is σ = 84699576. Its totient is φ = 83038600.

The previous prime is 83869039. The next prime is 83869091. The reversal of 83869087 is 78096838.

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 83869087 - 2⁷ = 83868959 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 83869087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83869187) 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, 415093 + ... + 415294.

It is an arithmetic number, because the mean of its divisors is an integer number (21174894).

Almost surely, 2^83869087 is an apocalyptic number.

83869087 is a deficient number, since it is larger than the sum of its proper divisors (830489).

83869087 is a wasteful number, since it uses less digits than its factorization.

83869087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830488.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 83869087 is about 9158.0067154376. The cubic root of 83869087 is about 437.7242814122.

The spelling of 83869087 in words is "eighty-three million, eight hundred sixty-nine thousand, eighty-seven".