798991351488 has 168 divisors, whose sum is σ = 2645323995600. Its totient is φ = 227876290560.

The previous prime is 798991351439. The next prime is 798991351489. The reversal of 798991351488 is 884153199897.

It is a happy number.

798991351488 is a `hidden beast` number, since 7 + 9 + 8 + 9 + 9 + 135 + 1 + 488 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (798991351489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3601213 + ... + 3816636.

Almost surely, 2^798991351488 is an apocalyptic number.

It is an amenable number.

798991351488 is an abundant number, since it is smaller than the sum of its proper divisors (1846332644112).

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

798991351488 is a wasteful number, since it uses less digits than its factorization.

798991351488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7417895 (or 7417882 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 72.

The spelling of 798991351488 in words is "seven hundred ninety-eight billion, nine hundred ninety-one million, three hundred fifty-one thousand, four hundred eighty-eight".