78466244 has 24 divisors (see below), whose sum is σ = 139247808. Its totient is φ = 38685600.

The previous prime is 78466243. The next prime is 78466259. The reversal of 78466244 is 44266487.

It is not an unprimeable number, because it can be changed into a prime (78466243) 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, 98054 + ... + 98850.

It is an arithmetic number, because the mean of its divisors is an integer number (5801992).

Almost surely, 2^78466244 is an apocalyptic number.

It is an amenable number.

78466244 is a deficient number, since it is larger than the sum of its proper divisors (60781564).

78466244 is a wasteful number, since it uses less digits than its factorization.

78466244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1113 counting only the distinct ones).

The product of its digits is 258048, while the sum is 41.

The square root of 78466244 is about 8858.1174072147. The cubic root of 78466244 is about 428.1155029346.

The spelling of 78466244 in words is "seventy-eight million, four hundred sixty-six thousand, two hundred forty-four".