457928697 has 4 divisors (see below), whose sum is σ = 610571600. Its totient is φ = 305285796.

The previous prime is 457928663. The next prime is 457928701. The reversal of 457928697 is 796829754.

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 not a de Polignac number, because 457928697 - 2¹⁸ = 457666553 is a prime.

It is a super-2 number, since 2×457928697² = 419397383072235618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457928617) 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, 76321447 + ... + 76321452.

It is an arithmetic number, because the mean of its divisors is an integer number (152642900).

Almost surely, 2^457928697 is an apocalyptic number.

It is an amenable number.

457928697 is a deficient number, since it is larger than the sum of its proper divisors (152642903).

457928697 is a wasteful number, since it uses less digits than its factorization.

457928697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152642902.

The product of its digits is 7620480, while the sum is 57.

The square root of 457928697 is about 21399.2686089969. The cubic root of 457928697 is about 770.7838742444.

The spelling of 457928697 in words is "four hundred fifty-seven million, nine hundred twenty-eight thousand, six hundred ninety-seven".