499827157 has 2 divisors, whose sum is σ = 499827158. Its totient is φ = 499827156.

The previous prime is 499827143. The next prime is 499827179. The reversal of 499827157 is 751728994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 350962756 + 148864401 = 18734^2 + 12201^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-499827157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499827127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249913578 + 249913579.

It is an arithmetic number, because the mean of its divisors is an integer number (249913579).

Almost surely, 2^499827157 is an apocalyptic number.

It is an amenable number.

499827157 is a deficient number, since it is larger than the sum of its proper divisors (1).

499827157 is an equidigital number, since it uses as much as digits as its factorization.

499827157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 52.

The square root of 499827157 is about 22356.8145539565. The cubic root of 499827157 is about 793.6090583903.

The spelling of 499827157 in words is "four hundred ninety-nine million, eight hundred twenty-seven thousand, one hundred fifty-seven".