82488157 has 2 divisors, whose sum is σ = 82488158. Its totient is φ = 82488156.

The previous prime is 82488089. The next prime is 82488167. The reversal of 82488157 is 75188428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65464281 + 17023876 = 8091^2 + 4126^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82488157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82488167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41244078 + 41244079.

It is an arithmetic number, because the mean of its divisors is an integer number (41244079).

Almost surely, 2^82488157 is an apocalyptic number.

It is an amenable number.

82488157 is a deficient number, since it is larger than the sum of its proper divisors (1).

82488157 is an equidigital number, since it uses as much as digits as its factorization.

82488157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 143360, while the sum is 43.

The square root of 82488157 is about 9082.2991032007. The cubic root of 82488157 is about 435.3085528309.

The spelling of 82488157 in words is "eighty-two million, four hundred eighty-eight thousand, one hundred fifty-seven".