78986063 has 16 divisors (see below), whose sum is σ = 90500256. Its totient is φ = 68290560.

The previous prime is 78986041. The next prime is 78986069. The reversal of 78986063 is 36068987.

It is not a de Polignac number, because 78986063 - 2⁸ = 78985807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78985999 and 78986017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78986069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52520 + ... + 54002.

It is an arithmetic number, because the mean of its divisors is an integer number (5656266).

Almost surely, 2^78986063 is an apocalyptic number.

78986063 is a deficient number, since it is larger than the sum of its proper divisors (11514193).

78986063 is a wasteful number, since it uses less digits than its factorization.

78986063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 78986063 is about 8887.4103652301. The cubic root of 78986063 is about 429.0588085423.

The spelling of 78986063 in words is "seventy-eight million, nine hundred eighty-six thousand, sixty-three".