3822078157 has 2 divisors, whose sum is σ = 3822078158. Its totient is φ = 3822078156.

The previous prime is 3822078109. The next prime is 3822078163. The reversal of 3822078157 is 7518702283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3044170276 + 777907881 = 55174^2 + 27891^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3822078157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3822078457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1911039078 + 1911039079.

It is an arithmetic number, because the mean of its divisors is an integer number (1911039079).

Almost surely, 2^3822078157 is an apocalyptic number.

It is an amenable number.

3822078157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3822078157 is an equidigital number, since it uses as much as digits as its factorization.

3822078157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 3822078157 is about 61822.9581708931. The cubic root of 3822078157 is about 1563.5070884576.

The spelling of 3822078157 in words is "three billion, eight hundred twenty-two million, seventy-eight thousand, one hundred fifty-seven".