82507775080550 has 48 divisors (see below), whose sum is σ = 162501807781152. Its totient is φ = 31059834278400.

The previous prime is 82507775080547. The next prime is 82507775080553. The reversal of 82507775080550 is 5508057770528.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82507775080547) and next prime (82507775080553).

It is a self number, because there is not a number n which added to its sum of digits gives 82507775080550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82507775080553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10828895 + ... + 16801205.

It is an arithmetic number, because the mean of its divisors is an integer number (3385454328774).

Almost surely, 2^{82507775080550} is an apocalyptic number.

82507775080550 is a deficient number, since it is larger than the sum of its proper divisors (79994032700602).

82507775080550 is a wasteful number, since it uses less digits than its factorization.

82507775080550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5988593 (or 5988588 counting only the distinct ones).

The product of its (nonzero) digits is 27440000, while the sum is 59.

The spelling of 82507775080550 in words is "eighty-two trillion, five hundred seven billion, seven hundred seventy-five million, eighty thousand, five hundred fifty".