34478117663 has 8 divisors (see below), whose sum is σ = 37702264320. Its totient is φ = 31268933080.

The previous prime is 34478117647. The next prime is 34478117677. The reversal of 34478117663 is 36671187443.

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

It is not a de Polignac number, because 34478117663 - 2⁴ = 34478117647 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 (34478117683) 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, 3735695 + ... + 3744912.

It is an arithmetic number, because the mean of its divisors is an integer number (4712783040).

Almost surely, 2^34478117663 is an apocalyptic number.

34478117663 is a deficient number, since it is larger than the sum of its proper divisors (3224146657).

34478117663 is a wasteful number, since it uses less digits than its factorization.

34478117663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7481037.

The product of its digits is 2032128, while the sum is 50.

The spelling of 34478117663 in words is "thirty-four billion, four hundred seventy-eight million, one hundred seventeen thousand, six hundred sixty-three".