7828505673522 has 8 divisors (see below), whose sum is σ = 15657011347056. Its totient is φ = 2609501891172.

The previous prime is 7828505673517. The next prime is 7828505673559. The reversal of 7828505673522 is 2253765058287.

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

7828505673522 is an admirable number.

It is a super-2 number, since 2×7828505673522² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652375472788 + ... + 652375472799.

It is an arithmetic number, because the mean of its divisors is an integer number (1957126418382).

Almost surely, 2^{7828505673522} is an apocalyptic number.

7828505673522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7828505673522 is a wasteful number, since it uses less digits than its factorization.

7828505673522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304750945592.

The product of its (nonzero) digits is 56448000, while the sum is 60.

The spelling of 7828505673522 in words is "seven trillion, eight hundred twenty-eight billion, five hundred five million, six hundred seventy-three thousand, five hundred twenty-two".