477389508811 has 4 divisors (see below), whose sum is σ = 477419006232. Its totient is φ = 477360011392.

The previous prime is 477389508797. The next prime is 477389508851. The reversal of 477389508811 is 118805983774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 118805983774 = 2 ⋅59402991887.

It is a cyclic number.

It is not a de Polignac number, because 477389508811 - 2²¹ = 477387411659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 477389508811.

It is not an unprimeable number, because it can be changed into a prime (477389508851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14724421 + ... + 14756806.

It is an arithmetic number, because the mean of its divisors is an integer number (119354751558).

Almost surely, 2^477389508811 is an apocalyptic number.

477389508811 is a deficient number, since it is larger than the sum of its proper divisors (29497421).

477389508811 is a wasteful number, since it uses less digits than its factorization.

477389508811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29497420.

The product of its (nonzero) digits is 13547520, while the sum is 61.

The spelling of 477389508811 in words is "four hundred seventy-seven billion, three hundred eighty-nine million, five hundred eight thousand, eight hundred eleven".