78947343 has 12 divisors (see below), whose sum is σ = 114279360. Its totient is φ = 52518816.

The previous prime is 78947329. The next prime is 78947347. The reversal of 78947343 is 34374987.

It is a happy number.

It is not a de Polignac number, because 78947343 - 2⁴ = 78947327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78947347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4846 + ... + 13467.

It is an arithmetic number, because the mean of its divisors is an integer number (9523280).

Almost surely, 2^78947343 is an apocalyptic number.

78947343 is a deficient number, since it is larger than the sum of its proper divisors (35332017).

78947343 is a wasteful number, since it uses less digits than its factorization.

78947343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18798 (or 18795 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 78947343 is about 8885.2317358637. The cubic root of 78947343 is about 428.9886870050.

The spelling of 78947343 in words is "seventy-eight million, nine hundred forty-seven thousand, three hundred forty-three".