798688137 has 8 divisors (see below), whose sum is σ = 1146834304. Its totient is φ = 491500368.

The previous prime is 798688069. The next prime is 798688139. The reversal of 798688137 is 731886897.

798688137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 798688137 - 2⁸ = 798687881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (798688139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10239553 + ... + 10239630.

It is an arithmetic number, because the mean of its divisors is an integer number (143354288).

Almost surely, 2^798688137 is an apocalyptic number.

It is an amenable number.

798688137 is a deficient number, since it is larger than the sum of its proper divisors (348146167).

798688137 is a wasteful number, since it uses less digits than its factorization.

798688137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20479199.

The product of its digits is 4064256, while the sum is 57.

The square root of 798688137 is about 28261.0710518904. The cubic root of 798688137 is about 927.8100617173.

The spelling of 798688137 in words is "seven hundred ninety-eight million, six hundred eighty-eight thousand, one hundred thirty-seven".