82754305861 has 4 divisors (see below), whose sum is σ = 83801828800. Its totient is φ = 81706782924.

The previous prime is 82754305859. The next prime is 82754305871. The reversal of 82754305861 is 16850345728.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82754305861 - 2¹ = 82754305859 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 (82754305871) 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, 523761351 + ... + 523761508.

It is an arithmetic number, because the mean of its divisors is an integer number (20950457200).

Almost surely, 2^82754305861 is an apocalyptic number.

It is an amenable number.

82754305861 is a deficient number, since it is larger than the sum of its proper divisors (1047522939).

82754305861 is a wasteful number, since it uses less digits than its factorization.

82754305861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047522938.

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 82754305861 in words is "eighty-two billion, seven hundred fifty-four million, three hundred five thousand, eight hundred sixty-one".