473688861 has 8 divisors (see below), whose sum is σ = 641012064. Its totient is φ = 311079120.

The previous prime is 473688857. The next prime is 473688899. The reversal of 473688861 is 168886374.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 473688861 - 2² = 473688857 is a prime.

It is a super-2 number, since 2×473688861² = 448762274070954642, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473688811) 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, 1178130 + ... + 1178531.

It is an arithmetic number, because the mean of its divisors is an integer number (80126508).

Almost surely, 2^473688861 is an apocalyptic number.

It is an amenable number.

473688861 is a deficient number, since it is larger than the sum of its proper divisors (167323203).

473688861 is a wasteful number, since it uses less digits than its factorization.

473688861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356731.

The product of its digits is 1548288, while the sum is 51.

The square root of 473688861 is about 21764.3943402981. The cubic root of 473688861 is about 779.5268119459.

Subtracting from 473688861 its sum of digits (51), we obtain a triangular number (473688810 = T₃₀₇₇₉).

The spelling of 473688861 in words is "four hundred seventy-three million, six hundred eighty-eight thousand, eight hundred sixty-one".