83968655 has 8 divisors (see below), whose sum is σ = 100811952. Its totient is φ = 67141888.

The previous prime is 83968639. The next prime is 83968669. The reversal of 83968655 is 55686938.

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 83968655 - 2⁴ = 83968639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15764 + ... + 20406.

It is an arithmetic number, because the mean of its divisors is an integer number (12601494).

Almost surely, 2^83968655 is an apocalyptic number.

83968655 is a deficient number, since it is larger than the sum of its proper divisors (16843297).

83968655 is a wasteful number, since it uses less digits than its factorization.

83968655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8265.

The product of its digits is 1555200, while the sum is 50.

The square root of 83968655 is about 9163.4412204150. The cubic root of 83968655 is about 437.8974325975.

The spelling of 83968655 in words is "eighty-three million, nine hundred sixty-eight thousand, six hundred fifty-five".