82079477801 has 2 divisors, whose sum is σ = 82079477802. Its totient is φ = 82079477800.

The previous prime is 82079477681. The next prime is 82079477807. The reversal of 82079477801 is 10877497028.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45013987225 + 37065490576 = 212165^2 + 192524^2 .

It is a cyclic number.

It is not a de Polignac number, because 82079477801 - 2¹⁴ = 82079461417 is a prime.

It is not a weakly prime, because it can be changed into another prime (82079477807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41039738900 + 41039738901.

It is an arithmetic number, because the mean of its divisors is an integer number (41039738901).

Almost surely, 2^82079477801 is an apocalyptic number.

It is an amenable number.

82079477801 is a deficient number, since it is larger than the sum of its proper divisors (1).

82079477801 is an equidigital number, since it uses as much as digits as its factorization.

82079477801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1580544, while the sum is 53.

The spelling of 82079477801 in words is "eighty-two billion, seventy-nine million, four hundred seventy-seven thousand, eight hundred one".