47080777777018 has 16 divisors (see below), whose sum is σ = 72383802964200. Its totient is φ = 22953481056000.

The previous prime is 47080777777003. The next prime is 47080777777051. The reversal of 47080777777018 is 81077777708074.

It can be written as a sum of positive squares in 4 ways, for example, as 17051506646409 + 30029271130609 = 4129347^2 + 5479897^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159251493 + ... + 159546856.

Almost surely, 2^{47080777777018} is an apocalyptic number.

47080777777018 is a deficient number, since it is larger than the sum of its proper divisors (25303025187182).

47080777777018 is a wasteful number, since it uses less digits than its factorization.

47080777777018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318800193.

The product of its (nonzero) digits is 210827008, while the sum is 70.

The spelling of 47080777777018 in words is "forty-seven trillion, eighty billion, seven hundred seventy-seven million, seven hundred seventy-seven thousand, eighteen".