867828152257 has 4 divisors (see below), whose sum is σ = 946721620656. Its totient is φ = 788934683860.

The previous prime is 867828152227. The next prime is 867828152291. The reversal of 867828152257 is 752251828768.

867828152257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-867828152257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 867828152195 and 867828152204.

It is not an unprimeable number, because it can be changed into a prime (867828152227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39446734183 + ... + 39446734204.

It is an arithmetic number, because the mean of its divisors is an integer number (236680405164).

Almost surely, 2^867828152257 is an apocalyptic number.

It is an amenable number.

867828152257 is a deficient number, since it is larger than the sum of its proper divisors (78893468399).

867828152257 is a wasteful number, since it uses less digits than its factorization.

867828152257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78893468398.

The product of its digits is 30105600, while the sum is 61.

The spelling of 867828152257 in words is "eight hundred sixty-seven billion, eight hundred twenty-eight million, one hundred fifty-two thousand, two hundred fifty-seven".