8120376157 has 2 divisors, whose sum is σ = 8120376158. Its totient is φ = 8120376156.

The previous prime is 8120376149. The next prime is 8120376221. The reversal of 8120376157 is 7516730218.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6808560196 + 1311815961 = 82514^2 + 36219^2 .

It is a cyclic number.

It is not a de Polignac number, because 8120376157 - 2³ = 8120376149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8120376107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4060188078 + 4060188079.

It is an arithmetic number, because the mean of its divisors is an integer number (4060188079).

Almost surely, 2^8120376157 is an apocalyptic number.

It is an amenable number.

8120376157 is a deficient number, since it is larger than the sum of its proper divisors (1).

8120376157 is an equidigital number, since it uses as much as digits as its factorization.

8120376157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 8120376157 is about 90113.1297703059. The cubic root of 8120376157 is about 2009.9814488853.

The spelling of 8120376157 in words is "eight billion, one hundred twenty million, three hundred seventy-six thousand, one hundred fifty-seven".