82577780053031 has 4 divisors (see below), whose sum is σ = 82577798247000. Its totient is φ = 82577761859064.

The previous prime is 82577780053009. The next prime is 82577780053127. The reversal of 82577780053031 is 13035008777528.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82577780053031 is a prime.

It is a super-2 number, since 2×82577780053031² (a number of 29 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 (82577780053001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3916820 + ... + 13434918.

It is an arithmetic number, because the mean of its divisors is an integer number (20644449561750).

Almost surely, 2^{82577780053031} is an apocalyptic number.

82577780053031 is a deficient number, since it is larger than the sum of its proper divisors (18193969).

82577780053031 is an equidigital number, since it uses as much as digits as its factorization.

82577780053031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18193968.

The product of its (nonzero) digits is 9878400, while the sum is 56.

The spelling of 82577780053031 in words is "eighty-two trillion, five hundred seventy-seven billion, seven hundred eighty million, fifty-three thousand, thirty-one".