416538727857 has 32 divisors (see below), whose sum is σ = 712097884160. Its totient is φ = 235711224720.

The previous prime is 416538727831. The next prime is 416538727873. The reversal of 416538727857 is 758727835614.

It is a happy number.

416538727857 is a `hidden beast` number, since 4 + 16 + 538 + 7 + 2 + 7 + 85 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-416538727857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 416538727794 and 416538727803.

It is not an unprimeable number, because it can be changed into a prime (416538727807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10679119 + ... + 10718052.

It is an arithmetic number, because the mean of its divisors is an integer number (22253058880).

Almost surely, 2^416538727857 is an apocalyptic number.

It is an amenable number.

416538727857 is a deficient number, since it is larger than the sum of its proper divisors (295559156303).

416538727857 is a wasteful number, since it uses less digits than its factorization.

416538727857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21397290 (or 21397284 counting only the distinct ones).

The product of its digits is 79027200, while the sum is 63.

The spelling of 416538727857 in words is "four hundred sixteen billion, five hundred thirty-eight million, seven hundred twenty-seven thousand, eight hundred fifty-seven".