3958070857 has 8 divisors (see below), whose sum is σ = 4271790600. Its totient is φ = 3645672960.

The previous prime is 3958070839. The next prime is 3958070891. The reversal of 3958070857 is 7580708593.

It can be written as a sum of positive squares in 4 ways, for example, as 395055376 + 3563015481 = 19876^2 + 59691^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3958070857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3958070807) 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, 324232 + ... + 336217.

It is an arithmetic number, because the mean of its divisors is an integer number (533973825).

Almost surely, 2^3958070857 is an apocalyptic number.

It is an amenable number.

3958070857 is a deficient number, since it is larger than the sum of its proper divisors (313719743).

3958070857 is a wasteful number, since it uses less digits than its factorization.

3958070857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660923.

The product of its (nonzero) digits is 2116800, while the sum is 52.

The square root of 3958070857 is about 62913.2009756299. The cubic root of 3958070857 is about 1581.8350277322.

The spelling of 3958070857 in words is "three billion, nine hundred fifty-eight million, seventy thousand, eight hundred fifty-seven".