470487857 has 6 divisors (see below), whose sum is σ = 547302258. Its totient is φ = 403275264.

The previous prime is 470487827. The next prime is 470487887. The reversal of 470487857 is 758784074.

It is an interprime number because it is at equal distance from previous prime (470487827) and next prime (470487887).

It can be written as a sum of positive squares in only one way, i.e., 467251456 + 3236401 = 21616^2 + 1799^2 .

It is a de Polignac number, because none of the positive numbers 2^k-470487857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (470487827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4800848 + ... + 4800945.

It is an arithmetic number, because the mean of its divisors is an integer number (91217043).

Almost surely, 2^470487857 is an apocalyptic number.

It is an amenable number.

470487857 is a deficient number, since it is larger than the sum of its proper divisors (76814401).

470487857 is an equidigital number, since it uses as much as digits as its factorization.

470487857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9601807 (or 9601800 counting only the distinct ones).

The product of its (nonzero) digits is 1756160, while the sum is 50.

The square root of 470487857 is about 21690.7320531143. The cubic root of 470487857 is about 777.7669293672.

The spelling of 470487857 in words is "four hundred seventy million, four hundred eighty-seven thousand, eight hundred fifty-seven".