78714923 has 6 divisors (see below), whose sum is σ = 91566396. Its totient is φ = 67469892.

The previous prime is 78714919. The next prime is 78714943. The reversal of 78714923 is 32941787.

It is not a de Polignac number, because 78714923 - 2² = 78714919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78714943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 803165 + ... + 803262.

It is an arithmetic number, because the mean of its divisors is an integer number (15261066).

Almost surely, 2^78714923 is an apocalyptic number.

78714923 is a deficient number, since it is larger than the sum of its proper divisors (12851473).

78714923 is a wasteful number, since it uses less digits than its factorization.

78714923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606441 (or 1606434 counting only the distinct ones).

The product of its digits is 84672, while the sum is 41.

The square root of 78714923 is about 8872.1430894683. The cubic root of 78714923 is about 428.5672940818.

The spelling of 78714923 in words is "seventy-eight million, seven hundred fourteen thousand, nine hundred twenty-three".