477400457 has 8 divisors (see below), whose sum is σ = 487323720. Its totient is φ = 467544960.

The previous prime is 477400439. The next prime is 477400459. The reversal of 477400457 is 754004774.

It can be written as a sum of positive squares in 4 ways, for example, as 33918976 + 443481481 = 5824^2 + 21059^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 477400457 - 2¹⁴ = 477384073 is a prime.

It is a super-2 number, since 2×477400457² = 455822392687617698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 477400457.

It is not an unprimeable number, because it can be changed into a prime (477400459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2582 + ... + 31007.

It is an arithmetic number, because the mean of its divisors is an integer number (60915465).

Almost surely, 2^477400457 is an apocalyptic number.

It is an amenable number.

477400457 is a deficient number, since it is larger than the sum of its proper divisors (9923263).

477400457 is a wasteful number, since it uses less digits than its factorization.

477400457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33883.

The product of its (nonzero) digits is 109760, while the sum is 38.

The square root of 477400457 is about 21849.4955777016. The cubic root of 477400457 is about 781.5575151898.

The spelling of 477400457 in words is "four hundred seventy-seven million, four hundred thousand, four hundred fifty-seven".