470851861 has 2 divisors, whose sum is σ = 470851862. Its totient is φ = 470851860.

The previous prime is 470851819. The next prime is 470851877. The reversal of 470851861 is 168158074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246301636 + 224550225 = 15694^2 + 14985^2 .

It is a cyclic number.

It is not a de Polignac number, because 470851861 - 2¹³ = 470843669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (470851891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235425930 + 235425931.

It is an arithmetic number, because the mean of its divisors is an integer number (235425931).

Almost surely, 2^470851861 is an apocalyptic number.

It is an amenable number.

470851861 is a deficient number, since it is larger than the sum of its proper divisors (1).

470851861 is an equidigital number, since it uses as much as digits as its factorization.

470851861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 470851861 is about 21699.1212034036. The cubic root of 470851861 is about 777.9674568898.

The spelling of 470851861 in words is "four hundred seventy million, eight hundred fifty-one thousand, eight hundred sixty-one".