78009348 has 12 divisors (see below), whose sum is σ = 182021840. Its totient is φ = 26003112.

The previous prime is 78009341. The next prime is 78009359. The reversal of 78009348 is 84390087.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (78009341) 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, 3250378 + ... + 3250401.

Almost surely, 2^78009348 is an apocalyptic number.

It is an amenable number.

78009348 is an abundant number, since it is smaller than the sum of its proper divisors (104012492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78009348 is a wasteful number, since it uses less digits than its factorization.

78009348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6500786 (or 6500784 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 78009348 is about 8832.2900767581. The cubic root of 78009348 is about 427.2829362116.

The spelling of 78009348 in words is "seventy-eight million, nine thousand, three hundred forty-eight".