798437861 has 16 divisors (see below), whose sum is σ = 924041664. Its totient is φ = 683299584.

The previous prime is 798437821. The next prime is 798437881. The reversal of 798437861 is 168734897.

It is a cyclic number.

It is not a de Polignac number, because 798437861 - 2⁶ = 798437797 is a prime.

It is a super-3 number, since 3×798437861³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798437821) 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, 12155 + ... + 41768.

It is an arithmetic number, because the mean of its divisors is an integer number (57752604).

Almost surely, 2^798437861 is an apocalyptic number.

It is an amenable number.

798437861 is a deficient number, since it is larger than the sum of its proper divisors (125603803).

798437861 is a wasteful number, since it uses less digits than its factorization.

798437861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54020.

The product of its digits is 2032128, while the sum is 53.

The square root of 798437861 is about 28256.6427765225. The cubic root of 798437861 is about 927.7131390932.

The spelling of 798437861 in words is "seven hundred ninety-eight million, four hundred thirty-seven thousand, eight hundred sixty-one".