3858009157 has 2 divisors, whose sum is σ = 3858009158. Its totient is φ = 3858009156.

The previous prime is 3858009137. The next prime is 3858009247. The reversal of 3858009157 is 7519008583.

3858009157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2889492516 + 968516641 = 53754^2 + 31121^2 .

It is a cyclic number.

It is not a de Polignac number, because 3858009157 - 2¹⁵ = 3857976389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3858009137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1929004578 + 1929004579.

It is an arithmetic number, because the mean of its divisors is an integer number (1929004579).

Almost surely, 2^3858009157 is an apocalyptic number.

It is an amenable number.

3858009157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3858009157 is an equidigital number, since it uses as much as digits as its factorization.

3858009157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 46.

The square root of 3858009157 is about 62112.8743256984. The cubic root of 3858009157 is about 1568.3912764173.

The spelling of 3858009157 in words is "three billion, eight hundred fifty-eight million, nine thousand, one hundred fifty-seven".