8155273338 has 96 divisors (see below), whose sum is σ = 18733628160. Its totient is φ = 2559822720.

The previous prime is 8155273331. The next prime is 8155273339. The reversal of 8155273338 is 8333725518.

It is a super-3 number, since 3×8155273338³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8155273293 and 8155273302.

It is not an unprimeable number, because it can be changed into a prime (8155273331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12045856 + ... + 12046532.

It is an arithmetic number, because the mean of its divisors is an integer number (195141960).

Almost surely, 2^8155273338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8155273338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9366814080).

8155273338 is an abundant number, since it is smaller than the sum of its proper divisors (10578354822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8155273338 is a wasteful number, since it uses less digits than its factorization.

8155273338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252 (or 1249 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 8155273338 is about 90306.5520214342. The cubic root of 8155273338 is about 2012.8566213845.

The spelling of 8155273338 in words is "eight billion, one hundred fifty-five million, two hundred seventy-three thousand, three hundred thirty-eight".