155827828 has 24 divisors (see below), whose sum is σ = 294870240. Its totient is φ = 71628000.

The previous prime is 155827823. The next prime is 155827843. The reversal of 155827828 is 828728551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155827823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7083 + ... + 19021.

It is an arithmetic number, because the mean of its divisors is an integer number (12286260).

Almost surely, 2^155827828 is an apocalyptic number.

It is an amenable number.

155827828 is a deficient number, since it is larger than the sum of its proper divisors (139042412).

155827828 is a wasteful number, since it uses less digits than its factorization.

155827828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12207 (or 12205 counting only the distinct ones).

The product of its digits is 358400, while the sum is 46.

The square root of 155827828 is about 12483.1016978954. The cubic root of 155827828 is about 538.1231458958.

The spelling of 155827828 in words is "one hundred fifty-five million, eight hundred twenty-seven thousand, eight hundred twenty-eight".