78466245 has 64 divisors (see below), whose sum is σ = 149071104. Its totient is φ = 34744320.

The previous prime is 78466243. The next prime is 78466259. The reversal of 78466245 is 54266487.

It is not a de Polignac number, because 78466245 - 2¹ = 78466243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78466197 and 78466206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78466243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 336649 + ... + 336881.

It is an arithmetic number, because the mean of its divisors is an integer number (2329236).

Almost surely, 2^78466245 is an apocalyptic number.

It is an amenable number.

78466245 is a deficient number, since it is larger than the sum of its proper divisors (70604859).

78466245 is a wasteful number, since it uses less digits than its factorization.

78466245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422.

The product of its digits is 322560, while the sum is 42.

The square root of 78466245 is about 8858.1174636601. The cubic root of 78466245 is about 428.1155047533.

The spelling of 78466245 in words is "seventy-eight million, four hundred sixty-six thousand, two hundred forty-five".