417087893561 has 4 divisors (see below), whose sum is σ = 417090241572. Its totient is φ = 417085545552.

The previous prime is 417087893557. The next prime is 417087893567. The reversal of 417087893561 is 165398780714.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 229650849961 + 187437043600 = 479219^2 + 432940^2 .

It is a cyclic number.

It is not a de Polignac number, because 417087893561 - 2² = 417087893557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 417087893561.

It is not an unprimeable number, because it can be changed into a prime (417087893567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 883610 + ... + 1270803.

It is an arithmetic number, because the mean of its divisors is an integer number (104272560393).

Almost surely, 2^417087893561 is an apocalyptic number.

It is an amenable number.

417087893561 is a deficient number, since it is larger than the sum of its proper divisors (2348011).

417087893561 is a wasteful number, since it uses less digits than its factorization.

417087893561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2348010.

The product of its (nonzero) digits is 10160640, while the sum is 59.

The spelling of 417087893561 in words is "four hundred seventeen billion, eighty-seven million, eight hundred ninety-three thousand, five hundred sixty-one".