78741923 has 8 divisors (see below), whose sum is σ = 85640016. Its totient is φ = 71964000.

The previous prime is 78741913. The next prime is 78741979. The reversal of 78741923 is 32914787.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78741923 - 2¹⁴ = 78725539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78741913) 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 7 ways as a sum of consecutive naturals, for example, 28673 + ... + 31298.

It is an arithmetic number, because the mean of its divisors is an integer number (10705002).

Almost surely, 2^78741923 is an apocalyptic number.

78741923 is a deficient number, since it is larger than the sum of its proper divisors (6898093).

78741923 is a wasteful number, since it uses less digits than its factorization.

78741923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60085.

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

The square root of 78741923 is about 8873.6645755854. The cubic root of 78741923 is about 428.6162894257.

The spelling of 78741923 in words is "seventy-eight million, seven hundred forty-one thousand, nine hundred twenty-three".