2057778801 has 24 divisors (see below), whose sum is σ = 3217783296. Its totient is φ = 1259681760.

The previous prime is 2057778799. The next prime is 2057778829. The reversal of 2057778801 is 1088777502.

2057778801 is a `hidden beast` number, since 2 + 0 + 577 + 78 + 8 + 0 + 1 = 666.

It is not a de Polignac number, because 2057778801 - 2¹ = 2057778799 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2057778851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23695 + ... + 68388.

It is an arithmetic number, because the mean of its divisors is an integer number (134074304).

Almost surely, 2^2057778801 is an apocalyptic number.

It is an amenable number.

2057778801 is a deficient number, since it is larger than the sum of its proper divisors (1160004495).

2057778801 is a wasteful number, since it uses less digits than its factorization.

2057778801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92293 (or 92290 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 45.

The square root of 2057778801 is about 45362.7468414337. The cubic root of 2057778801 is about 1271.9388413250.

The spelling of 2057778801 in words is "two billion, fifty-seven million, seven hundred seventy-eight thousand, eight hundred one".