797450057 has 4 divisors (see below), whose sum is σ = 806410260. Its totient is φ = 788489856.

The previous prime is 797450053. The next prime is 797450063. The reversal of 797450057 is 750054797.

797450057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 750054797 = 1373 ⋅546289.

It can be written as a sum of positive squares in 2 ways, for example, as 250778896 + 546671161 = 15836^2 + 23381^2 .

It is a cyclic number.

It is not a de Polignac number, because 797450057 - 2² = 797450053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (797450051) 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, 4479968 + ... + 4480145.

It is an arithmetic number, because the mean of its divisors is an integer number (201602565).

Almost surely, 2^797450057 is an apocalyptic number.

It is an amenable number.

797450057 is a deficient number, since it is larger than the sum of its proper divisors (8960203).

797450057 is an equidigital number, since it uses as much as digits as its factorization.

797450057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8960202.

The product of its (nonzero) digits is 308700, while the sum is 44.

The square root of 797450057 is about 28239.1582204569. The cubic root of 797450057 is about 927.3304013464.

The spelling of 797450057 in words is "seven hundred ninety-seven million, four hundred fifty thousand, fifty-seven".