82665207743801 has 16 divisors (see below), whose sum is σ = 84097171572480. Its totient is φ = 81239280442320.

The previous prime is 82665207743761. The next prime is 82665207743861. The reversal of 82665207743801 is 10834770256628.

It is a cyclic number.

It is not a de Polignac number, because 82665207743801 - 2⁴⁶ = 12296463566137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82665207743861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51620966 + ... + 53198256.

It is an arithmetic number, because the mean of its divisors is an integer number (5256073223280).

Almost surely, 2^{82665207743801} is an apocalyptic number.

It is an amenable number.

82665207743801 is a deficient number, since it is larger than the sum of its proper divisors (1431963828679).

82665207743801 is a wasteful number, since it uses less digits than its factorization.

82665207743801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579204.

The product of its (nonzero) digits is 27095040, while the sum is 59.

The spelling of 82665207743801 in words is "eighty-two trillion, six hundred sixty-five billion, two hundred seven million, seven hundred forty-three thousand, eight hundred one".