798563178027 has 40 divisors (see below), whose sum is σ = 1242294261120. Its totient is φ = 510642558720.

The previous prime is 798563177999. The next prime is 798563178037. The reversal of 798563178027 is 720871365897.

It is not a de Polignac number, because 798563178027 - 2⁷ = 798563177899 is a prime.

It is a super-2 number, since 2×798563178027² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (798563178037) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1123452 + ... + 1690937.

It is an arithmetic number, because the mean of its divisors is an integer number (31057356528).

Almost surely, 2^798563178027 is an apocalyptic number.

798563178027 is a deficient number, since it is larger than the sum of its proper divisors (443731083093).

798563178027 is a wasteful number, since it uses less digits than its factorization.

798563178027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814545 (or 2814536 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 63.

The spelling of 798563178027 in words is "seven hundred ninety-eight billion, five hundred sixty-three million, one hundred seventy-eight thousand, twenty-seven".