305766342978 has 8 divisors (see below), whose sum is σ = 611532685968. Its totient is φ = 101922114324.

The previous prime is 305766342977. The next prime is 305766342979. The reversal of 305766342978 is 879243667503.

It is an interprime number because it is at equal distance from previous prime (305766342977) and next prime (305766342979).

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

305766342978 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (305766342977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25480528576 + ... + 25480528587.

It is an arithmetic number, because the mean of its divisors is an integer number (76441585746).

Almost surely, 2^305766342978 is an apocalyptic number.

305766342978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

305766342978 is a wasteful number, since it uses less digits than its factorization.

305766342978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50961057168.

The product of its (nonzero) digits is 45722880, while the sum is 60.

The spelling of 305766342978 in words is "three hundred five billion, seven hundred sixty-six million, three hundred forty-two thousand, nine hundred seventy-eight".