899650705 has 4 divisors (see below), whose sum is σ = 1079580852. Its totient is φ = 719720560.

The previous prime is 899650699. The next prime is 899650709. The reversal of 899650705 is 507056998.

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

It can be written as a sum of positive squares in 2 ways, for example, as 156325009 + 743325696 = 12503^2 + 27264^2 .

It is a de Polignac number, because none of the positive numbers 2^k-899650705 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (899650709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89965066 + ... + 89965075.

It is an arithmetic number, because the mean of its divisors is an integer number (269895213).

Almost surely, 2^899650705 is an apocalyptic number.

It is an amenable number.

899650705 is a deficient number, since it is larger than the sum of its proper divisors (179930147).

899650705 is a wasteful number, since it uses less digits than its factorization.

899650705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179930146.

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 899650705 is about 29994.1778517098. The cubic root of 899650705 is about 965.3644645122.

The spelling of 899650705 in words is "eight hundred ninety-nine million, six hundred fifty thousand, seven hundred five".