78986026 has 8 divisors (see below), whose sum is σ = 135404640. Its totient is φ = 33851148.

The previous prime is 78985997. The next prime is 78986027. The reversal of 78986026 is 62068987.

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

It is not an unprimeable number, because it can be changed into a prime (78986027) 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, 2820916 + ... + 2820943.

It is an arithmetic number, because the mean of its divisors is an integer number (16925580).

Almost surely, 2^78986026 is an apocalyptic number.

78986026 is a deficient number, since it is larger than the sum of its proper divisors (56418614).

78986026 is a wasteful number, since it uses less digits than its factorization.

78986026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5641868.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 78986026 is about 8887.4082836336. The cubic root of 78986026 is about 429.0587415466.

It can be divided in two parts, 7898 and 6026, that added together give a square (13924 = 118²).

The spelling of 78986026 in words is "seventy-eight million, nine hundred eighty-six thousand, twenty-six".