82458918061 has 4 divisors (see below), whose sum is σ = 88801911772. Its totient is φ = 76115924352.

The previous prime is 82458918049. The next prime is 82458918071. The reversal of 82458918061 is 16081985428.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47678906025 + 34780012036 = 218355^2 + 186494^2 .

It is not a de Polignac number, because 82458918061 - 2¹⁷ = 82458786989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82458918011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3171496836 + ... + 3171496861.

It is an arithmetic number, because the mean of its divisors is an integer number (22200477943).

Almost surely, 2^82458918061 is an apocalyptic number.

It is an amenable number.

82458918061 is a deficient number, since it is larger than the sum of its proper divisors (6342993711).

82458918061 is a wasteful number, since it uses less digits than its factorization.

82458918061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6342993710.

The product of its (nonzero) digits is 1105920, while the sum is 52.

The spelling of 82458918061 in words is "eighty-two billion, four hundred fifty-eight million, nine hundred eighteen thousand, sixty-one".