617106487 has 8 divisors (see below), whose sum is σ = 619442496. Its totient is φ = 614776032.

The previous prime is 617106473. The next prime is 617106517. The reversal of 617106487 is 784601716.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 617106487 - 2²⁷ = 482888759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617106407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414258 + ... + 415744.

It is an arithmetic number, because the mean of its divisors is an integer number (77430312).

Almost surely, 2^617106487 is an apocalyptic number.

617106487 is a deficient number, since it is larger than the sum of its proper divisors (2336009).

617106487 is a wasteful number, since it uses less digits than its factorization.

617106487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 617106487 is about 24841.6281068693. The cubic root of 617106487 is about 851.3733218349.

The spelling of 617106487 in words is "six hundred seventeen million, one hundred six thousand, four hundred eighty-seven".