456871871 has 4 divisors (see below), whose sum is σ = 457227600. Its totient is φ = 456516144.

The previous prime is 456871867. The next prime is 456871907. The reversal of 456871871 is 178178654.

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 456871871 - 2² = 456871867 is a prime.

It is a super-2 number, since 2×456871871² = 417463813022081282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456811871) 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, 175931 + ... + 178508.

It is an arithmetic number, because the mean of its divisors is an integer number (114306900).

Almost surely, 2^456871871 is an apocalyptic number.

456871871 is a deficient number, since it is larger than the sum of its proper divisors (355729).

456871871 is a wasteful number, since it uses less digits than its factorization.

456871871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355728.

The product of its digits is 376320, while the sum is 47.

The square root of 456871871 is about 21374.5613054397. The cubic root of 456871871 is about 770.1904689885.

The spelling of 456871871 in words is "four hundred fifty-six million, eight hundred seventy-one thousand, eight hundred seventy-one".