83478226255311 has 32 divisors (see below), whose sum is σ = 116242096186368. Its totient is φ = 53187376112640.

The previous prime is 83478226255309. The next prime is 83478226255331. The reversal of 83478226255311 is 11355262287438.

It is not a de Polignac number, because 83478226255311 - 2¹ = 83478226255309 is a prime.

It is a super-2 number, since 2×83478226255311² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83478226255331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388494175 + ... + 388708991.

It is an arithmetic number, because the mean of its divisors is an integer number (3632565505824).

Almost surely, 2^{83478226255311} is an apocalyptic number.

83478226255311 is a deficient number, since it is larger than the sum of its proper divisors (32763869931057).

83478226255311 is a wasteful number, since it uses less digits than its factorization.

83478226255311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219591.

The product of its digits is 19353600, while the sum is 57.

The spelling of 83478226255311 in words is "eighty-three trillion, four hundred seventy-eight billion, two hundred twenty-six million, two hundred fifty-five thousand, three hundred eleven".