477086969991 has 8 divisors (see below), whose sum is σ = 637718268784. Its totient is φ = 317256825600.

The previous prime is 477086969969. The next prime is 477086969999. The reversal of 477086969991 is 199969680774.

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

It is not a de Polignac number, because 477086969991 - 2¹⁷ = 477086838919 is a prime.

It is a super-2 number, since 2×477086969991² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477086969999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200287210 + ... + 200289591.

It is an arithmetic number, because the mean of its divisors is an integer number (79714783598).

Almost surely, 2^477086969991 is an apocalyptic number.

477086969991 is a deficient number, since it is larger than the sum of its proper divisors (160631298793).

477086969991 is a wasteful number, since it uses less digits than its factorization.

477086969991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400577201.

The product of its (nonzero) digits is 370355328, while the sum is 75.

The spelling of 477086969991 in words is "four hundred seventy-seven billion, eighty-six million, nine hundred sixty-nine thousand, nine hundred ninety-one".