89020155 has 32 divisors (see below), whose sum is σ = 165086208. Its totient is φ = 40118400.

The previous prime is 89020147. The next prime is 89020181. The reversal of 89020155 is 55102098.

It is not a de Polignac number, because 89020155 - 2³ = 89020147 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1485 + ... + 13425.

It is an arithmetic number, because the mean of its divisors is an integer number (5158944).

Almost surely, 2^89020155 is an apocalyptic number.

89020155 is a deficient number, since it is larger than the sum of its proper divisors (76066053).

89020155 is a wasteful number, since it uses less digits than its factorization.

89020155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12027.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 89020155 is about 9435.0492844500. The cubic root of 89020155 is about 446.5082099875.

The spelling of 89020155 in words is "eighty-nine million, twenty thousand, one hundred fifty-five".