82554877439 has 4 divisors (see below), whose sum is σ = 82562334624. Its totient is φ = 82547420256.

The previous prime is 82554877423. The next prime is 82554877451. The reversal of 82554877439 is 93477845528.

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

It is a cyclic number.

It is not a de Polignac number, because 82554877439 - 2⁴ = 82554877423 is a prime.

It is a super-2 number, since 2×82554877439² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82554877459) 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, 3711962 + ... + 3734135.

It is an arithmetic number, because the mean of its divisors is an integer number (20640583656).

Almost surely, 2^82554877439 is an apocalyptic number.

82554877439 is a deficient number, since it is larger than the sum of its proper divisors (7457185).

82554877439 is a wasteful number, since it uses less digits than its factorization.

82554877439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7457184.

The product of its digits is 67737600, while the sum is 62.

The spelling of 82554877439 in words is "eighty-two billion, five hundred fifty-four million, eight hundred seventy-seven thousand, four hundred thirty-nine".