470779861 has 8 divisors (see below), whose sum is σ = 498663000. Its totient is φ = 442917888.

The previous prime is 470779849. The next prime is 470779877. The reversal of 470779861 is 168977074.

It can be written as a sum of positive squares in 4 ways, for example, as 323761 + 470456100 = 569^2 + 21690^2 .

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 470779861 - 2¹³ = 470771669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470779811) 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, 79015 + ... + 84763.

It is an arithmetic number, because the mean of its divisors is an integer number (62332875).

Almost surely, 2^470779861 is an apocalyptic number.

It is an amenable number.

470779861 is a deficient number, since it is larger than the sum of its proper divisors (27883139).

470779861 is a wasteful number, since it uses less digits than its factorization.

470779861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10583.

The product of its (nonzero) digits is 592704, while the sum is 49.

The square root of 470779861 is about 21697.4620866128. The cubic root of 470779861 is about 777.9278007425.

The spelling of 470779861 in words is "four hundred seventy million, seven hundred seventy-nine thousand, eight hundred sixty-one".