47213777417805 has 12 divisors (see below), whose sum is σ = 81837214190940. Its totient is φ = 25180681289472.

The previous prime is 47213777417797. The next prime is 47213777417827. The reversal of 47213777417805 is 50871477731274.

47213777417805 is a `hidden beast` number, since 4 + 7 + 2 + 137 + 7 + 7 + 417 + 80 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 32378808496644 + 14834968921161 = 5690238^2 + 3851619^2 .

It is not a de Polignac number, because 47213777417805 - 2³ = 47213777417797 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 524597526820 + ... + 524597526909.

It is an arithmetic number, because the mean of its divisors is an integer number (6819767849245).

Almost surely, 2^{47213777417805} is an apocalyptic number.

47213777417805 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47213777417805 is a deficient number, since it is larger than the sum of its proper divisors (34623436773135).

47213777417805 is a wasteful number, since it uses less digits than its factorization.

47213777417805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049195053740 (or 1049195053737 counting only the distinct ones).

The product of its (nonzero) digits is 64538880, while the sum is 63.

The spelling of 47213777417805 in words is "forty-seven trillion, two hundred thirteen billion, seven hundred seventy-seven million, four hundred seventeen thousand, eight hundred five".