659040775 has 6 divisors (see below), whose sum is σ = 817210592. Its totient is φ = 527232600.

The previous prime is 659040761. The next prime is 659040787. The reversal of 659040775 is 577040956.

It is not a de Polignac number, because 659040775 - 2¹¹ = 659038727 is a prime.

It is a super-2 number, since 2×659040775² = 868669486225201250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13180791 + ... + 13180840.

Almost surely, 2^659040775 is an apocalyptic number.

659040775 is a deficient number, since it is larger than the sum of its proper divisors (158169817).

659040775 is a wasteful number, since it uses less digits than its factorization.

659040775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26361641 (or 26361636 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 43.

The square root of 659040775 is about 25671.7894779464. The cubic root of 659040775 is about 870.2367678129.

The spelling of 659040775 in words is "six hundred fifty-nine million, forty thousand, seven hundred seventy-five".