453857947 has 4 divisors (see below), whose sum is σ = 466124416. Its totient is φ = 441591480.

The previous prime is 453857939. The next prime is 453857951. The reversal of 453857947 is 749758354.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 453857947 - 2³ = 453857939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 453857894 and 453857903.

It is not an unprimeable number, because it can be changed into a prime (453857977) 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, 6133179 + ... + 6133252.

It is an arithmetic number, because the mean of its divisors is an integer number (116531104).

Almost surely, 2^453857947 is an apocalyptic number.

453857947 is a deficient number, since it is larger than the sum of its proper divisors (12266469).

453857947 is a wasteful number, since it uses less digits than its factorization.

453857947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12266468.

The product of its digits is 4233600, while the sum is 52.

The square root of 453857947 is about 21303.9420530568. The cubic root of 453857947 is about 768.4931158176.

The spelling of 453857947 in words is "four hundred fifty-three million, eight hundred fifty-seven thousand, nine hundred forty-seven".