827572770745 has 32 divisors (see below), whose sum is σ = 1193343528960. Its totient is φ = 538661872320.

The previous prime is 827572770701. The next prime is 827572770751. The reversal of 827572770745 is 547077275728.

It is a happy number.

It is not a de Polignac number, because 827572770745 - 2²⁵ = 827539216313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3818365 + ... + 4029274.

It is an arithmetic number, because the mean of its divisors is an integer number (37291985280).

Almost surely, 2^827572770745 is an apocalyptic number.

It is an amenable number.

827572770745 is a deficient number, since it is larger than the sum of its proper divisors (365770758215).

827572770745 is a wasteful number, since it uses less digits than its factorization.

827572770745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7847805.

The product of its (nonzero) digits is 53782400, while the sum is 61.

The spelling of 827572770745 in words is "eight hundred twenty-seven billion, five hundred seventy-two million, seven hundred seventy thousand, seven hundred forty-five".