617669087 has 8 divisors (see below), whose sum is σ = 706237056. Its totient is φ = 529183512.

The previous prime is 617669077. The next prime is 617669089. The reversal of 617669087 is 780966716.

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 617669087 - 2¹⁰ = 617668063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (617669089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3593 + ... + 35330.

It is an arithmetic number, because the mean of its divisors is an integer number (88279632).

Almost surely, 2^617669087 is an apocalyptic number.

617669087 is a deficient number, since it is larger than the sum of its proper divisors (88567969).

617669087 is a wasteful number, since it uses less digits than its factorization.

617669087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41197.

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 617669087 is about 24852.9492616068. The cubic root of 617669087 is about 851.6319682522.

The spelling of 617669087 in words is "six hundred seventeen million, six hundred sixty-nine thousand, eighty-seven".