78159063 has 8 divisors (see below), whose sum is σ = 104272128. Its totient is φ = 52076024.

The previous prime is 78159061. The next prime is 78159101. The reversal of 78159063 is 36095187.

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

It is a cyclic number.

It is not a de Polignac number, because 78159063 - 2¹ = 78159061 is a prime.

It is a super-2 number, since 2×78159063² = 12217678258075938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78159061) 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, 495 + ... + 12512.

It is an arithmetic number, because the mean of its divisors is an integer number (13034016).

Almost surely, 2^78159063 is an apocalyptic number.

78159063 is a deficient number, since it is larger than the sum of its proper divisors (26113065).

78159063 is a wasteful number, since it uses less digits than its factorization.

78159063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15013.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 78159063 is about 8840.7614491061. The cubic root of 78159063 is about 427.5561076797.

The spelling of 78159063 in words is "seventy-eight million, one hundred fifty-nine thousand, sixty-three".