2075665757 has 16 divisors (see below), whose sum is σ = 2283830592. Its totient is φ = 1870801920.

The previous prime is 2075665723. The next prime is 2075665763. The reversal of 2075665757 is 7575665702.

It is a cyclic number.

It is not a de Polignac number, because 2075665757 - 2¹² = 2075661661 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 (2075665157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 995438 + ... + 997520.

It is an arithmetic number, because the mean of its divisors is an integer number (142739412).

Almost surely, 2^2075665757 is an apocalyptic number.

It is an amenable number.

2075665757 is a deficient number, since it is larger than the sum of its proper divisors (208164835).

2075665757 is a wasteful number, since it uses less digits than its factorization.

2075665757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828.

The product of its (nonzero) digits is 3087000, while the sum is 50.

The square root of 2075665757 is about 45559.4749421018. The cubic root of 2075665757 is about 1275.6135981845.

Subtracting 2075665757 from its reverse (7575665702), we obtain a palindrome (5499999945).

The spelling of 2075665757 in words is "two billion, seventy-five million, six hundred sixty-five thousand, seven hundred fifty-seven".