2057396077 has 8 divisors (see below), whose sum is σ = 2244846240. Its totient is φ = 1870014960.

The previous prime is 2057396059. The next prime is 2057396087. The reversal of 2057396077 is 7706937502.

It is a happy number.

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

It is not a de Polignac number, because 2057396077 - 2¹⁵ = 2057363309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057396087) 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 7 ways as a sum of consecutive naturals, for example, 60174 + ... + 87952.

It is an arithmetic number, because the mean of its divisors is an integer number (280605780).

Almost surely, 2^2057396077 is an apocalyptic number.

It is an amenable number.

2057396077 is a deficient number, since it is larger than the sum of its proper divisors (187450163).

2057396077 is a wasteful number, since it uses less digits than its factorization.

2057396077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34523.

The product of its (nonzero) digits is 555660, while the sum is 46.

The square root of 2057396077 is about 45358.5281617470. The cubic root of 2057396077 is about 1271.8599809369.

The spelling of 2057396077 in words is "two billion, fifty-seven million, three hundred ninety-six thousand, seventy-seven".