82663378513522 has 32 divisors (see below), whose sum is σ = 133766429702400. Its totient is φ = 38172370998528.

The previous prime is 82663378513481. The next prime is 82663378513531. The reversal of 82663378513522 is 22531587336628.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93965997 + ... + 94841632.

It is an arithmetic number, because the mean of its divisors is an integer number (4180200928200).

Almost surely, 2^{82663378513522} is an apocalyptic number.

82663378513522 is a deficient number, since it is larger than the sum of its proper divisors (51103051188878).

82663378513522 is a wasteful number, since it uses less digits than its factorization.

82663378513522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188807890.

The product of its digits is 87091200, while the sum is 61.

The spelling of 82663378513522 in words is "eighty-two trillion, six hundred sixty-three billion, three hundred seventy-eight million, five hundred thirteen thousand, five hundred twenty-two".