78846243 has 24 divisors (see below), whose sum is σ = 124378560. Its totient is φ = 44286480.

The previous prime is 78846227. The next prime is 78846247. The reversal of 78846243 is 34264887.

It is not a de Polignac number, because 78846243 - 2⁴ = 78846227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78846195 and 78846204.

It is not an unprimeable number, because it can be changed into a prime (78846247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4128 + ... + 13218.

It is an arithmetic number, because the mean of its divisors is an integer number (5182440).

Almost surely, 2^78846243 is an apocalyptic number.

78846243 is a deficient number, since it is larger than the sum of its proper divisors (45532317).

78846243 is a wasteful number, since it uses less digits than its factorization.

78846243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9167 (or 9160 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 78846243 is about 8879.5406975812. The cubic root of 78846243 is about 428.8054877513.

The spelling of 78846243 in words is "seventy-eight million, eight hundred forty-six thousand, two hundred forty-three".