899720035 has 8 divisors (see below), whose sum is σ = 1080458640. Its totient is φ = 719246304.

The previous prime is 899720021. The next prime is 899720047. The reversal of 899720035 is 530027998.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 899720035 - 2¹³ = 899711843 is a prime.

It is a super-2 number, since 2×899720035² = 1618992282760802450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 899719973 and 899720000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58665 + ... + 72394.

It is an arithmetic number, because the mean of its divisors is an integer number (135057330).

Almost surely, 2^899720035 is an apocalyptic number.

899720035 is a deficient number, since it is larger than the sum of its proper divisors (180738605).

899720035 is a wasteful number, since it uses less digits than its factorization.

899720035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132437.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 899720035 is about 29995.3335537380. Note that the first 3 decimals coincide. The cubic root of 899720035 is about 965.3892619136.

The spelling of 899720035 in words is "eight hundred ninety-nine million, seven hundred twenty thousand, thirty-five".