83911272354 has 224 divisors, whose sum is σ = 237021859200. Its totient is φ = 22128730848.

The previous prime is 83911272353. The next prime is 83911272407. The reversal of 83911272354 is 45327211938.

It is a happy number.

83911272354 is a `hidden beast` number, since 8 + 391 + 1 + 27 + 235 + 4 = 666.

It is a super-2 number, since 2×83911272354² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83911272353) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 6494769 + ... + 6507675.

It is an arithmetic number, because the mean of its divisors is an integer number (1058133300).

Almost surely, 2^83911272354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83911272354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118510929600).

83911272354 is an abundant number, since it is smaller than the sum of its proper divisors (153110586846).

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

83911272354 is a wasteful number, since it uses less digits than its factorization.

83911272354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12961 (or 12932 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The spelling of 83911272354 in words is "eighty-three billion, nine hundred eleven million, two hundred seventy-two thousand, three hundred fifty-four".