82026750621 has 8 divisors (see below), whose sum is σ = 110753418880. Its totient is φ = 53992291392.

The previous prime is 82026750613. The next prime is 82026750623. The reversal of 82026750621 is 12605762028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82026750621 - 2³ = 82026750613 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 82026750621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82026750623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173051980 + ... + 173052453.

It is an arithmetic number, because the mean of its divisors is an integer number (13844177360).

Almost surely, 2^82026750621 is an apocalyptic number.

It is an amenable number.

82026750621 is a deficient number, since it is larger than the sum of its proper divisors (28726668259).

82026750621 is a wasteful number, since it uses less digits than its factorization.

82026750621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346104515.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 82026750621 in words is "eighty-two billion, twenty-six million, seven hundred fifty thousand, six hundred twenty-one".