83013812660427 has 32 divisors (see below), whose sum is σ = 121519181117184. Its totient is φ = 49989825475200.

The previous prime is 83013812660413. The next prime is 83013812660503. The reversal of 83013812660427 is 72406621831038.

It is a happy number.

It is not a de Polignac number, because 83013812660427 - 2¹⁹ = 83013812136139 is a prime.

It is a super-2 number, since 2×83013812660427² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83013812660427.

It is not an unprimeable number, because it can be changed into a prime (83013812660227) 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, 270019977 + ... + 270327237.

It is an arithmetic number, because the mean of its divisors is an integer number (3797474409912).

Almost surely, 2^{83013812660427} is an apocalyptic number.

83013812660427 is a deficient number, since it is larger than the sum of its proper divisors (38505368456757).

83013812660427 is a wasteful number, since it uses less digits than its factorization.

83013812660427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359579.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 83013812660427 in words is "eighty-three trillion, thirteen billion, eight hundred twelve million, six hundred sixty thousand, four hundred twenty-seven".