477842993 has 8 divisors (see below), whose sum is σ = 484989120. Its totient is φ = 470708560.

The previous prime is 477842983. The next prime is 477843053. The reversal of 477842993 is 399248774.

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 477842993 - 2²² = 473648689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (477842903) 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, 112871 + ... + 117027.

It is an arithmetic number, because the mean of its divisors is an integer number (60623640).

Almost surely, 2^477842993 is an apocalyptic number.

It is an amenable number.

477842993 is a deficient number, since it is larger than the sum of its proper divisors (7146127).

477842993 is a wasteful number, since it uses less digits than its factorization.

477842993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5847.

The product of its digits is 3048192, while the sum is 53.

The square root of 477842993 is about 21859.6201476604. The cubic root of 477842993 is about 781.7989341194.

The spelling of 477842993 in words is "four hundred seventy-seven million, eight hundred forty-two thousand, nine hundred ninety-three".