78946468 has 24 divisors (see below), whose sum is σ = 145628280. Its totient is φ = 37390080.

The previous prime is 78946459. The next prime is 78946481. The reversal of 78946468 is 86464987.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18386944 + 60559524 = 4288^2 + 7782^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273 + ... + 12568.

It is an arithmetic number, because the mean of its divisors is an integer number (6067845).

Almost surely, 2^78946468 is an apocalyptic number.

It is an amenable number.

78946468 is a deficient number, since it is larger than the sum of its proper divisors (66681812).

78946468 is a wasteful number, since it uses less digits than its factorization.

78946468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12927 (or 12925 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The square root of 78946468 is about 8885.1824967189. The cubic root of 78946468 is about 428.9871021238.

The spelling of 78946468 in words is "seventy-eight million, nine hundred forty-six thousand, four hundred sixty-eight".