798971901 has 48 divisors (see below), whose sum is σ = 1343551104. Its totient is φ = 418594176.

The previous prime is 798971893. The next prime is 798971911. The reversal of 798971901 is 109179897.

It is not a de Polignac number, because 798971901 - 2³ = 798971893 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

798971901 is a modest number, since divided by 71901 gives 7989 as remainder.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798971911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 298696 + ... + 301358.

It is an arithmetic number, because the mean of its divisors is an integer number (27990648).

Almost surely, 2^798971901 is an apocalyptic number.

It is an amenable number.

798971901 is a deficient number, since it is larger than the sum of its proper divisors (544579203).

798971901 is a wasteful number, since it uses less digits than its factorization.

798971901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850 (or 2843 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 51.

The square root of 798971901 is about 28266.0910102547. The cubic root of 798971901 is about 927.9199285136.

It can be divided in two parts, 7989 and 71901, that multiplied together give a square (574417089 = 23967²).

The spelling of 798971901 in words is "seven hundred ninety-eight million, nine hundred seventy-one thousand, nine hundred one".