155628886 has 16 divisors (see below), whose sum is σ = 280834560. Its totient is φ = 63187560.

The previous prime is 155628881. The next prime is 155628899. The reversal of 155628886 is 688826551.

It is a happy number.

155628886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155628881) 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, 292270 + ... + 292801.

It is an arithmetic number, because the mean of its divisors is an integer number (17552160).

Almost surely, 2^155628886 is an apocalyptic number.

155628886 is a deficient number, since it is larger than the sum of its proper divisors (125205674).

155628886 is a wasteful number, since it uses less digits than its factorization.

155628886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585099.

The product of its digits is 921600, while the sum is 49.

The square root of 155628886 is about 12475.1307007181. The cubic root of 155628886 is about 537.8940449985.

The spelling of 155628886 in words is "one hundred fifty-five million, six hundred twenty-eight thousand, eight hundred eighty-six".