798874641 has 6 divisors (see below), whose sum is σ = 1153930050. Its totient is φ = 532583088.

The previous prime is 798874613. The next prime is 798874649. The reversal of 798874641 is 146478897.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 475414416 + 323460225 = 21804^2 + 17985^2 .

It is not a de Polignac number, because 798874641 - 2¹⁹ = 798350353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (798874649) 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 5 ways as a sum of consecutive naturals, for example, 44381916 + ... + 44381933.

It is an arithmetic number, because the mean of its divisors is an integer number (192321675).

Almost surely, 2^798874641 is an apocalyptic number.

It is an amenable number.

798874641 is a deficient number, since it is larger than the sum of its proper divisors (355055409).

798874641 is a wasteful number, since it uses less digits than its factorization.

798874641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88763855 (or 88763852 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 798874641 is about 28264.3705219133. The cubic root of 798874641 is about 927.8822746426.

The spelling of 798874641 in words is "seven hundred ninety-eight million, eight hundred seventy-four thousand, six hundred forty-one".