83888236673 has 8 divisors (see below), whose sum is σ = 86899848840. Its totient is φ = 80922603520.

The previous prime is 83888236637. The next prime is 83888236699. The reversal of 83888236673 is 37663288838.

It can be written as a sum of positive squares in 4 ways, for example, as 4503483664 + 79384753009 = 67108^2 + 281753^2 .

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 83888236673 - 2¹² = 83888232577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83888286673) 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, 11491040 + ... + 11498337.

It is an arithmetic number, because the mean of its divisors is an integer number (10862481105).

Almost surely, 2^83888236673 is an apocalyptic number.

It is an amenable number.

83888236673 is a deficient number, since it is larger than the sum of its proper divisors (3011612167).

83888236673 is a wasteful number, since it uses less digits than its factorization.

83888236673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22989507.

The product of its digits is 55738368, while the sum is 62.

The spelling of 83888236673 in words is "eighty-three billion, eight hundred eighty-eight million, two hundred thirty-six thousand, six hundred seventy-three".