793740978 has 16 divisors (see below), whose sum is σ = 1763868960. Its totient is φ = 264580308.

The previous prime is 793740977. The next prime is 793740989. The reversal of 793740978 is 879047397.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 14698907 = 793740978 / (7 + 9 + 3 + 7 + 4 + 0 + 9 + 7 + 8).

It is not an unprimeable number, because it can be changed into a prime (793740973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7349400 + ... + 7349507.

It is an arithmetic number, because the mean of its divisors is an integer number (110241810).

Almost surely, 2^793740978 is an apocalyptic number.

793740978 is an abundant number, since it is smaller than the sum of its proper divisors (970127982).

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

793740978 is a wasteful number, since it uses less digits than its factorization.

793740978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14698918 (or 14698912 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The square root of 793740978 is about 28173.4090588981. The cubic root of 793740978 is about 925.8904415038.

The spelling of 793740978 in words is "seven hundred ninety-three million, seven hundred forty thousand, nine hundred seventy-eight".