797553642 has 8 divisors (see below), whose sum is σ = 1595107296. Its totient is φ = 265851212.

The previous prime is 797553629. The next prime is 797553649. The reversal of 797553642 is 246355797.

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

797553642 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 797553591 and 797553600.

It is not an unprimeable number, because it can be changed into a prime (797553649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66462798 + ... + 66462809.

It is an arithmetic number, because the mean of its divisors is an integer number (199388412).

Almost surely, 2^797553642 is an apocalyptic number.

797553642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

797553642 is a wasteful number, since it uses less digits than its factorization.

797553642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132925612.

The product of its digits is 1587600, while the sum is 48.

The square root of 797553642 is about 28240.9922276113. The cubic root of 797553642 is about 927.3705515560.

The spelling of 797553642 in words is "seven hundred ninety-seven million, five hundred fifty-three thousand, six hundred forty-two".