617609377 has 12 divisors (see below), whose sum is σ = 783757296. Its totient is φ = 481253640.

The previous prime is 617609347. The next prime is 617609411. The reversal of 617609377 is 773906716.

It is a happy number.

It is not a de Polignac number, because 617609377 - 2¹¹ = 617607329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (617609347) 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, 572383 + ... + 573460.

It is an arithmetic number, because the mean of its divisors is an integer number (65313108).

Almost surely, 2^617609377 is an apocalyptic number.

It is an amenable number.

617609377 is a deficient number, since it is larger than the sum of its proper divisors (166147919).

617609377 is a wasteful number, since it uses less digits than its factorization.

617609377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145868 (or 1145861 counting only the distinct ones).

The product of its (nonzero) digits is 333396, while the sum is 46.

The square root of 617609377 is about 24851.7479666924. The cubic root of 617609377 is about 851.6045249795.

The spelling of 617609377 in words is "six hundred seventeen million, six hundred nine thousand, three hundred seventy-seven".