825256677 has 12 divisors (see below), whose sum is σ = 1279990176. Its totient is φ = 471575160.

The previous prime is 825256667. The next prime is 825256681. The reversal of 825256677 is 776652528.

It is not a de Polignac number, because 825256677 - 2¹⁰ = 825255653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825256637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2806849 + ... + 2807142.

It is an arithmetic number, because the mean of its divisors is an integer number (106665848).

Almost surely, 2^825256677 is an apocalyptic number.

It is an amenable number.

825256677 is a deficient number, since it is larger than the sum of its proper divisors (454733499).

825256677 is a wasteful number, since it uses less digits than its factorization.

825256677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5614008 (or 5614001 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 48.

The square root of 825256677 is about 28727.2810582554. The cubic root of 825256677 is about 937.9859840484.

The spelling of 825256677 in words is "eight hundred twenty-five million, two hundred fifty-six thousand, six hundred seventy-seven".