899820070 has 32 divisors (see below), whose sum is σ = 1640469600. Its totient is φ = 355332096.

The previous prime is 899820067. The next prime is 899820101. The reversal of 899820070 is 70028998.

It is a junction number, because it is equal to n+sod(n) for n = 899819999 and 899820026.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333286 + ... + 335974.

It is an arithmetic number, because the mean of its divisors is an integer number (51264675).

Almost surely, 2^899820070 is an apocalyptic number.

899820070 is a deficient number, since it is larger than the sum of its proper divisors (740649530).

899820070 is a wasteful number, since it uses less digits than its factorization.

899820070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 899820070 is about 29997.0010167683. The cubic root of 899820070 is about 965.4250393897.

The spelling of 899820070 in words is "eight hundred ninety-nine million, eight hundred twenty thousand, seventy".