82386710616621 has 16 divisors (see below), whose sum is σ = 111488841133568. Its totient is φ = 54104532174000.

The previous prime is 82386710616569. The next prime is 82386710616641. The reversal of 82386710616621 is 12661601768328.

It is not a de Polignac number, because 82386710616621 - 2³³ = 82378120682029 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 (82386710616641) 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, 102380766 + ... + 103182336.

It is an arithmetic number, because the mean of its divisors is an integer number (6968052570848).

Almost surely, 2^{82386710616621} is an apocalyptic number.

It is an amenable number.

82386710616621 is a deficient number, since it is larger than the sum of its proper divisors (29102130516947).

82386710616621 is a wasteful number, since it uses less digits than its factorization.

82386710616621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312992.

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 82386710616621 in words is "eighty-two trillion, three hundred eighty-six billion, seven hundred ten million, six hundred sixteen thousand, six hundred twenty-one".