827520256670 has 16 divisors (see below), whose sum is σ = 1489983964560. Its totient is φ = 330908657664.

The previous prime is 827520256583. The next prime is 827520256679. The reversal of 827520256670 is 76652025728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (827520256679) 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, 12395672 + ... + 12462251.

It is an arithmetic number, because the mean of its divisors is an integer number (93123997785).

Almost surely, 2^827520256670 is an apocalyptic number.

827520256670 is a deficient number, since it is larger than the sum of its proper divisors (662463707890).

827520256670 is a wasteful number, since it uses less digits than its factorization.

827520256670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24861259.

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 827520256670 in words is "eight hundred twenty-seven billion, five hundred twenty million, two hundred fifty-six thousand, six hundred seventy".