82119267425 has 18 divisors (see below), whose sum is σ = 110263343922. Its totient is φ = 60641917440.

The previous prime is 82119267371. The next prime is 82119267449. The reversal of 82119267425 is 52476291128.

It can be written as a sum of positive squares in 9 ways, for example, as 57485337121 + 24633930304 = 239761^2 + 156952^2 .

It is not a de Polignac number, because 82119267425 - 2⁸ = 82119267169 is a prime.

It is a super-2 number, since 2×82119267425² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82119267425.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9714032 + ... + 9722481.

It is an arithmetic number, because the mean of its divisors is an integer number (6125741329).

Almost surely, 2^82119267425 is an apocalyptic number.

It is an amenable number.

82119267425 is a deficient number, since it is larger than the sum of its proper divisors (28144076497).

82119267425 is a wasteful number, since it uses less digits than its factorization.

82119267425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19436549 (or 19436531 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The spelling of 82119267425 in words is "eighty-two billion, one hundred nineteen million, two hundred sixty-seven thousand, four hundred twenty-five".