798785265 has 16 divisors (see below), whose sum is σ = 1290712896. Its totient is φ = 421800000.

The previous prime is 798785263. The next prime is 798785269. The reversal of 798785265 is 562587897.

It is a happy number.

It is not a de Polignac number, because 798785265 - 2¹ = 798785263 is a prime.

It is a super-2 number, since 2×798785265² = 1276115799162240450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (798785263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262111 + ... + 265140.

It is an arithmetic number, because the mean of its divisors is an integer number (80669556).

Almost surely, 2^798785265 is an apocalyptic number.

It is an amenable number.

798785265 is a deficient number, since it is larger than the sum of its proper divisors (491927631).

798785265 is a wasteful number, since it uses less digits than its factorization.

798785265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527360.

The product of its digits is 8467200, while the sum is 57.

The square root of 798785265 is about 28262.7894058601. The cubic root of 798785265 is about 927.8476703402.

The spelling of 798785265 in words is "seven hundred ninety-eight million, seven hundred eighty-five thousand, two hundred sixty-five".