56786201217 has 12 divisors (see below), whose sum is σ = 83012761104. Its totient is φ = 37401352920.

The previous prime is 56786201159. The next prime is 56786201237. The reversal of 56786201217 is 71210268765.

56786201217 is a `hidden beast` number, since 5 + 6 + 7 + 8 + 620 + 1 + 2 + 17 = 666.

It is not a de Polignac number, because 56786201217 - 2¹² = 56786197121 is a prime.

It is a super-2 number, since 2×56786201217² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56786201237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38008759 + ... + 38010252.

It is an arithmetic number, because the mean of its divisors is an integer number (6917730092).

Almost surely, 2^56786201217 is an apocalyptic number.

It is an amenable number.

56786201217 is a deficient number, since it is larger than the sum of its proper divisors (26226559887).

56786201217 is a wasteful number, since it uses less digits than its factorization.

56786201217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76019100 (or 76019097 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 56786201217 in words is "fifty-six billion, seven hundred eighty-six million, two hundred one thousand, two hundred seventeen".