2061757077 has 16 divisors (see below), whose sum is σ = 2840268288. Its totient is φ = 1329496560.

The previous prime is 2061757073. The next prime is 2061757079. The reversal of 2061757077 is 7707571602.

It is a happy number.

It is not a de Polignac number, because 2061757077 - 2² = 2061757073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061757073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64299 + ... + 90872.

It is an arithmetic number, because the mean of its divisors is an integer number (177516768).

Almost surely, 2^2061757077 is an apocalyptic number.

It is an amenable number.

2061757077 is a deficient number, since it is larger than the sum of its proper divisors (778511211).

2061757077 is a wasteful number, since it uses less digits than its factorization.

2061757077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155320.

The product of its (nonzero) digits is 144060, while the sum is 42.

The square root of 2061757077 is about 45406.5752617394. The cubic root of 2061757077 is about 1272.7579877385.

The spelling of 2061757077 in words is "two billion, sixty-one million, seven hundred fifty-seven thousand, seventy-seven".