10478456917 has 4 divisors (see below), whose sum is σ = 10541202336. Its totient is φ = 10415711500.

The previous prime is 10478456899. The next prime is 10478456969. The reversal of 10478456917 is 71965487401.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 10478456917 - 2⁷ = 10478456789 is a prime.

It is a super-2 number, since 2×10478456917² (a number of 21 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 (10478451917) 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, 31372459 + ... + 31372792.

It is an arithmetic number, because the mean of its divisors is an integer number (2635300584).

Almost surely, 2^10478456917 is an apocalyptic number.

It is an amenable number.

10478456917 is a deficient number, since it is larger than the sum of its proper divisors (62745419).

10478456917 is an equidigital number, since it uses as much as digits as its factorization.

10478456917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62745418.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 10478456917 in words is "ten billion, four hundred seventy-eight million, four hundred fifty-six thousand, nine hundred seventeen".