798655421431 has 8 divisors (see below), whose sum is σ = 918214617600. Its totient is φ = 680462616408.

The previous prime is 798655421429. The next prime is 798655421467. The reversal of 798655421431 is 134124556897.

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

It is a cyclic number.

It is not a de Polignac number, because 798655421431 - 2¹ = 798655421429 is a prime.

It is a super-2 number, since 2×798655421431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798655421491) 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, 341596531 + ... + 341598868.

It is an arithmetic number, because the mean of its divisors is an integer number (114776827200).

Almost surely, 2^798655421431 is an apocalyptic number.

798655421431 is a deficient number, since it is larger than the sum of its proper divisors (119559196169).

798655421431 is a wasteful number, since it uses less digits than its factorization.

798655421431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683195573.

The product of its digits is 7257600, while the sum is 55.

The spelling of 798655421431 in words is "seven hundred ninety-eight billion, six hundred fifty-five million, four hundred twenty-one thousand, four hundred thirty-one".