83436487 has 8 divisors (see below), whose sum is σ = 84126240. Its totient is φ = 82750080.

The previous prime is 83436481. The next prime is 83436511. The reversal of 83436487 is 78463438.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83436487 - 2⁷ = 83436359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83436481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73339 + ... + 74467.

It is an arithmetic number, because the mean of its divisors is an integer number (10515780).

Almost surely, 2^83436487 is an apocalyptic number.

83436487 is a deficient number, since it is larger than the sum of its proper divisors (689753).

83436487 is a wasteful number, since it uses less digits than its factorization.

83436487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673.

The product of its digits is 387072, while the sum is 43.

The square root of 83436487 is about 9134.3575034044. The cubic root of 83436487 is about 436.9703841115.

The spelling of 83436487 in words is "eighty-three million, four hundred thirty-six thousand, four hundred eighty-seven".