82541893877 has 2 divisors, whose sum is σ = 82541893878. Its totient is φ = 82541893876.

The previous prime is 82541893849. The next prime is 82541893901. The reversal of 82541893877 is 77839814528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81080284516 + 1461609361 = 284746^2 + 38231^2 .

It is a cyclic number.

It is not a de Polignac number, because 82541893877 - 2²⁰ = 82540845301 is a prime.

It is a super-2 number, since 2×82541893877² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82541893817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41270946938 + 41270946939.

It is an arithmetic number, because the mean of its divisors is an integer number (41270946939).

Almost surely, 2^82541893877 is an apocalyptic number.

It is an amenable number.

82541893877 is a deficient number, since it is larger than the sum of its proper divisors (1).

82541893877 is an equidigital number, since it uses as much as digits as its factorization.

82541893877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27095040, while the sum is 62.

The spelling of 82541893877 in words is "eighty-two billion, five hundred forty-one million, eight hundred ninety-three thousand, eight hundred seventy-seven".