83866658155 has 8 divisors (see below), whose sum is σ = 115017131232. Its totient is φ = 57508565568.

The previous prime is 83866658129. The next prime is 83866658159. The reversal of 83866658155 is 55185666838.

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 83866658155 - 2³³ = 75276723563 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83866658093 and 83866658102.

It is not an unprimeable number, because it can be changed into a prime (83866658159) 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, 1198095082 + ... + 1198095151.

It is an arithmetic number, because the mean of its divisors is an integer number (14377141404).

Almost surely, 2^83866658155 is an apocalyptic number.

83866658155 is a deficient number, since it is larger than the sum of its proper divisors (31150473077).

83866658155 is a wasteful number, since it uses less digits than its factorization.

83866658155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396190245.

The product of its digits is 41472000, while the sum is 61.

The spelling of 83866658155 in words is "eighty-three billion, eight hundred sixty-six million, six hundred fifty-eight thousand, one hundred fifty-five".