47780477359 has 2 divisors, whose sum is σ = 47780477360. Its totient is φ = 47780477358.

The previous prime is 47780477317. The next prime is 47780477429. The reversal of 47780477359 is 95377408774.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47780477359 - 2⁷ = 47780477231 is a prime.

It is a super-2 number, since 2×47780477359² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47780477297 and 47780477306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47780477309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23890238679 + 23890238680.

It is an arithmetic number, because the mean of its divisors is an integer number (23890238680).

Almost surely, 2^47780477359 is an apocalyptic number.

47780477359 is a deficient number, since it is larger than the sum of its proper divisors (1).

47780477359 is an equidigital number, since it uses as much as digits as its factorization.

47780477359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41489280, while the sum is 61.

The spelling of 47780477359 in words is "forty-seven billion, seven hundred eighty million, four hundred seventy-seven thousand, three hundred fifty-nine".