83887361 has 4 divisors (see below), whose sum is σ = 83914032. Its totient is φ = 83860692.

The previous prime is 83887357. The next prime is 83887369. The reversal of 83887361 is 16378838.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83887361 - 2² = 83887357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83887369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7871 + ... + 15156.

It is an arithmetic number, because the mean of its divisors is an integer number (20978508).

Almost surely, 2^83887361 is an apocalyptic number.

It is an amenable number.

83887361 is a deficient number, since it is larger than the sum of its proper divisors (26671).

83887361 is a wasteful number, since it uses less digits than its factorization.

83887361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26670.

The product of its digits is 193536, while the sum is 44.

The square root of 83887361 is about 9159.0043672880. The cubic root of 83887361 is about 437.7560706086.

It can be divided in two parts, 83887 and 361, that added together give a palindrome (84248).

The spelling of 83887361 in words is "eighty-three million, eight hundred eighty-seven thousand, three hundred sixty-one".