457211977 has 4 divisors (see below), whose sum is σ = 457678080. Its totient is φ = 456745876.

The previous prime is 457211971. The next prime is 457212001. The reversal of 457211977 is 779112754.

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 457211977 - 2¹⁵ = 457179209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457211971) 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, 231577 + ... + 233542.

It is an arithmetic number, because the mean of its divisors is an integer number (114419520).

Almost surely, 2^457211977 is an apocalyptic number.

It is an amenable number.

457211977 is a deficient number, since it is larger than the sum of its proper divisors (466103).

457211977 is an equidigital number, since it uses as much as digits as its factorization.

457211977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466102.

The product of its digits is 123480, while the sum is 43.

The square root of 457211977 is about 21382.5156845494. The cubic root of 457211977 is about 770.3815374576.

The spelling of 457211977 in words is "four hundred fifty-seven million, two hundred eleven thousand, nine hundred seventy-seven".