83872108555 has 8 divisors (see below), whose sum is σ = 100699153632. Its totient is φ = 67062604608.

The previous prime is 83872108549. The next prime is 83872108571. The reversal of 83872108555 is 55580127838.

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 83872108555 - 2³³ = 75282173963 is a prime.

It is a Duffinian 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, 4374759 + ... + 4393888.

It is an arithmetic number, because the mean of its divisors is an integer number (12587394204).

Almost surely, 2^83872108555 is an apocalyptic number.

83872108555 is a deficient number, since it is larger than the sum of its proper divisors (16827045077).

83872108555 is a wasteful number, since it uses less digits than its factorization.

83872108555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8770565.

The product of its (nonzero) digits is 2688000, while the sum is 52.

The spelling of 83872108555 in words is "eighty-three billion, eight hundred seventy-two million, one hundred eight thousand, five hundred fifty-five".