78463563 has 8 divisors (see below), whose sum is σ = 104659776. Its totient is φ = 52288200.

The previous prime is 78463547. The next prime is 78463577. The reversal of 78463563 is 36536487.

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

It is not a de Polignac number, because 78463563 - 2⁴ = 78463547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78463543) 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, 9528 + ... + 15738.

It is an arithmetic number, because the mean of its divisors is an integer number (13082472).

Almost surely, 2^78463563 is an apocalyptic number.

78463563 is a deficient number, since it is larger than the sum of its proper divisors (26196213).

78463563 is a wasteful number, since it uses less digits than its factorization.

78463563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10425.

The product of its digits is 362880, while the sum is 42.

The square root of 78463563 is about 8857.9660757987. The cubic root of 78463563 is about 428.1106269919.

The spelling of 78463563 in words is "seventy-eight million, four hundred sixty-three thousand, five hundred sixty-three".