2061757078 has 8 divisors (see below), whose sum is σ = 3168065880. Its totient is φ = 1005735120.

The previous prime is 2061757073. The next prime is 2061757079. The reversal of 2061757078 is 8707571602.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 12571608 + ... + 12571771.

It is an arithmetic number, because the mean of its divisors is an integer number (396008235).

Almost surely, 2^2061757078 is an apocalyptic number.

2061757078 is a deficient number, since it is larger than the sum of its proper divisors (1106308802).

2061757078 is a wasteful number, since it uses less digits than its factorization.

2061757078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25143422.

The product of its (nonzero) digits is 164640, while the sum is 43.

The square root of 2061757078 is about 45406.5752727510. The cubic root of 2061757078 is about 1272.7579879443.

The spelling of 2061757078 in words is "two billion, sixty-one million, seven hundred fifty-seven thousand, seventy-eight".