156828807 has 6 divisors (see below), whose sum is σ = 226530512. Its totient is φ = 104552532.

The previous prime is 156828787. The next prime is 156828811. The reversal of 156828807 is 708828651.

156828807 is a `hidden beast` number, since 1 + 568 + 2 + 8 + 80 + 7 = 666.

It is not a de Polignac number, because 156828807 - 2¹¹ = 156826759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156828817) 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 5 ways as a sum of consecutive naturals, for example, 8712703 + ... + 8712720.

Almost surely, 2^156828807 is an apocalyptic number.

156828807 is a deficient number, since it is larger than the sum of its proper divisors (69701705).

156828807 is a wasteful number, since it uses less digits than its factorization.

156828807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17425429 (or 17425426 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 156828807 is about 12523.1308784984. The cubic root of 156828807 is about 539.2729206452.

The spelling of 156828807 in words is "one hundred fifty-six million, eight hundred twenty-eight thousand, eight hundred seven".