2075981857 has 8 divisors (see below), whose sum is σ = 2226476160. Its totient is φ = 1929610800.

The previous prime is 2075981839. The next prime is 2075981891. The reversal of 2075981857 is 7581895702.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2075981857 - 2¹¹ = 2075979809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2075981837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029769 + ... + 1031782.

It is an arithmetic number, because the mean of its divisors is an integer number (278309520).

Almost surely, 2^2075981857 is an apocalyptic number.

It is an amenable number.

2075981857 is a deficient number, since it is larger than the sum of its proper divisors (150494303).

2075981857 is a wasteful number, since it uses less digits than its factorization.

2075981857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061623.

The product of its (nonzero) digits is 1411200, while the sum is 52.

The square root of 2075981857 is about 45562.9439018157. The cubic root of 2075981857 is about 1275.6783486531.

The spelling of 2075981857 in words is "two billion, seventy-five million, nine hundred eighty-one thousand, eight hundred fifty-seven".