47670777 has 72 divisors (see below), whose sum is σ = 90484992. Its totient is φ = 23889600.

The previous prime is 47670773. The next prime is 47670793. The reversal of 47670777 is 77707674.

It is not a de Polignac number, because 47670777 - 2² = 47670773 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47670773) 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 71 ways as a sum of consecutive naturals, for example, 150223 + ... + 150539.

It is an arithmetic number, because the mean of its divisors is an integer number (1256736).

Almost surely, 2^47670777 is an apocalyptic number.

It is an amenable number.

47670777 is a deficient number, since it is larger than the sum of its proper divisors (42814215).

47670777 is a wasteful number, since it uses less digits than its factorization.

47670777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 403368, while the sum is 45.

The square root of 47670777 is about 6904.4027257975. The cubic root of 47670777 is about 362.5913257020.

It can be divided in two parts, 476 and 70777, that added together give a triangular number (71253 = T₃₇₇).

The spelling of 47670777 in words is "forty-seven million, six hundred seventy thousand, seven hundred seventy-seven".