872826257 has 8 divisors (see below), whose sum is σ = 935305056. Its totient is φ = 811584832.

The previous prime is 872826233. The next prime is 872826259. The reversal of 872826257 is 752628278.

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

It is a cyclic number.

It is not a de Polignac number, because 872826257 - 2⁶ = 872826193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872826259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307883 + ... + 310704.

It is an arithmetic number, because the mean of its divisors is an integer number (116913132).

Almost surely, 2^872826257 is an apocalyptic number.

It is an amenable number.

872826257 is a deficient number, since it is larger than the sum of its proper divisors (62478799).

872826257 is a wasteful number, since it uses less digits than its factorization.

872826257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618687.

The product of its digits is 752640, while the sum is 47.

The square root of 872826257 is about 29543.6331042748. The cubic root of 872826257 is about 955.6728925443.

It can be divided in two parts, 87282 and 6257, that added together give a palindrome (93539).

The spelling of 872826257 in words is "eight hundred seventy-two million, eight hundred twenty-six thousand, two hundred fifty-seven".