798738083435520 has 132 divisors (see below), whose sum is σ = 2767606658792820. Its totient is φ = 212996822237184.

The previous prime is 798738083435489. The next prime is 798738083435599. The reversal of 798738083435520 is 25534380837897.

798738083435520 is a `hidden beast` number, since 7 + 9 + 8 + 7 + 38 + 0 + 8 + 34 + 3 + 552 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 251191561752576 + 547546521682944 = 15849024^2 + 23399712^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8666816805 + ... + 8666908964.

Almost surely, 2^{798738083435520} is an apocalyptic number.

It is an amenable number.

798738083435520 is an abundant number, since it is smaller than the sum of its proper divisors (1968868575357300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

798738083435520 is a wasteful number, since it uses less digits than its factorization.

798738083435520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17333725800 (or 17333725779 counting only the distinct ones).

The product of its (nonzero) digits is 1219276800, while the sum is 72.

The spelling of 798738083435520 in words is "seven hundred ninety-eight trillion, seven hundred thirty-eight billion, eighty-three million, four hundred thirty-five thousand, five hundred twenty".