457840797 has 4 divisors (see below), whose sum is σ = 610454400. Its totient is φ = 305227196.

The previous prime is 457840781. The next prime is 457840819. The reversal of 457840797 is 797048754.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 457840797 - 2⁴ = 457840781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457840697) 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, 76306797 + ... + 76306802.

It is an arithmetic number, because the mean of its divisors is an integer number (152613600).

Almost surely, 2^457840797 is an apocalyptic number.

It is an amenable number.

457840797 is a deficient number, since it is larger than the sum of its proper divisors (152613603).

457840797 is a wasteful number, since it uses less digits than its factorization.

457840797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152613602.

The product of its (nonzero) digits is 1975680, while the sum is 51.

The square root of 457840797 is about 21397.2147019186. The cubic root of 457840797 is about 770.7345534378.

The spelling of 457840797 in words is "four hundred fifty-seven million, eight hundred forty thousand, seven hundred ninety-seven".