2057950817782 has 8 divisors (see below), whose sum is σ = 3086958792456. Its totient is φ = 1028964553632.

The previous prime is 2057950817779. The next prime is 2057950817809. The reversal of 2057950817782 is 2877180597502.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2057950817782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5188548 + ... + 5571079.

It is an arithmetic number, because the mean of its divisors is an integer number (385869849057).

Almost surely, 2^{2057950817782} is an apocalyptic number.

2057950817782 is a deficient number, since it is larger than the sum of its proper divisors (1029007974674).

2057950817782 is a wasteful number, since it uses less digits than its factorization.

2057950817782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10855262.

The product of its (nonzero) digits is 19756800, while the sum is 61.

The spelling of 2057950817782 in words is "two trillion, fifty-seven billion, nine hundred fifty million, eight hundred seventeen thousand, seven hundred eighty-two".