900428179 has 4 divisors (see below), whose sum is σ = 1029060784. Its totient is φ = 771795576.

The previous prime is 900428167. The next prime is 900428197. The reversal of 900428179 is 971824009.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 900428179 - 2⁵ = 900428147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (900428119) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 64316292 + ... + 64316305.

It is an arithmetic number, because the mean of its divisors is an integer number (257265196).

Almost surely, 2^900428179 is an apocalyptic number.

900428179 is a deficient number, since it is larger than the sum of its proper divisors (128632605).

900428179 is a wasteful number, since it uses less digits than its factorization.

900428179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128632604.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 900428179 is about 30007.1354680849. The cubic root of 900428179 is about 965.6424722861.

The spelling of 900428179 in words is "nine hundred million, four hundred twenty-eight thousand, one hundred seventy-nine".