47780948647390 has 32 divisors (see below), whose sum is σ = 100948784174784. Its totient is φ = 15939281710080.

The previous prime is 47780948647331. The next prime is 47780948647403. The reversal of 47780948647390 is 9374684908774.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9224118771 + ... + 9224123950.

It is an arithmetic number, because the mean of its divisors is an integer number (3154649505462).

Almost surely, 2^{47780948647390} is an apocalyptic number.

47780948647390 is an abundant number, since it is smaller than the sum of its proper divisors (53167835527394).

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

47780948647390 is a wasteful number, since it uses less digits than its factorization.

47780948647390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18448242772.

The product of its (nonzero) digits is 2048385024, while the sum is 76.

The spelling of 47780948647390 in words is "forty-seven trillion, seven hundred eighty billion, nine hundred forty-eight million, six hundred forty-seven thousand, three hundred ninety".