477993337517 has 4 divisors (see below), whose sum is σ = 488163408576. Its totient is φ = 467823266460.

The previous prime is 477993337429. The next prime is 477993337519. The reversal of 477993337517 is 715733399774.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 715733399774 = 2 ⋅357866699887.

It is a cyclic number.

It is not a de Polignac number, because 477993337517 - 2¹² = 477993333421 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 (477993337519) 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, 5085035459 + ... + 5085035552.

It is an arithmetic number, because the mean of its divisors is an integer number (122040852144).

Almost surely, 2^477993337517 is an apocalyptic number.

477993337517 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

477993337517 is a deficient number, since it is larger than the sum of its proper divisors (10170071059).

477993337517 is a wasteful number, since it uses less digits than its factorization.

477993337517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10170071058.

The product of its digits is 105019740, while the sum is 65.

The spelling of 477993337517 in words is "four hundred seventy-seven billion, nine hundred ninety-three million, three hundred thirty-seven thousand, five hundred seventeen".