2077942757 has 16 divisors (see below), whose sum is σ = 2314593792. Its totient is φ = 1849591920.

The previous prime is 2077942753. The next prime is 2077942777. The reversal of 2077942757 is 7572497702.

It is a happy number.

It is not a de Polignac number, because 2077942757 - 2² = 2077942753 is a prime.

It is a super-2 number, since 2×2077942757² = 8635692202737522098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2077942753) 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, 114638 + ... + 131520.

It is an arithmetic number, because the mean of its divisors is an integer number (144662112).

Almost surely, 2^2077942757 is an apocalyptic number.

It is an amenable number.

2077942757 is a deficient number, since it is larger than the sum of its proper divisors (236651035).

2077942757 is a wasteful number, since it uses less digits than its factorization.

2077942757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17128.

The product of its (nonzero) digits is 1728720, while the sum is 50.

The square root of 2077942757 is about 45584.4574060063. The cubic root of 2077942757 is about 1276.0798760036.

Subtracting 2077942757 from its reverse (7572497702), we obtain a palindrome (5494554945).

It can be divided in two parts, 20779 and 42757, that added together give a palindrome (63536).

The spelling of 2077942757 in words is "two billion, seventy-seven million, nine hundred forty-two thousand, seven hundred fifty-seven".