84315358157 has 2 divisors, whose sum is σ = 84315358158. Its totient is φ = 84315358156.

The previous prime is 84315358129. The next prime is 84315358241. The reversal of 84315358157 is 75185351348.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76823763241 + 7491594916 = 277171^2 + 86554^2 .

It is a cyclic number.

It is not a de Polignac number, because 84315358157 - 2¹⁸ = 84315096013 is a prime.

It is a super-2 number, since 2×84315358157² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84315352157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42157679078 + 42157679079.

It is an arithmetic number, because the mean of its divisors is an integer number (42157679079).

Almost surely, 2^84315358157 is an apocalyptic number.

It is an amenable number.

84315358157 is a deficient number, since it is larger than the sum of its proper divisors (1).

84315358157 is an equidigital number, since it uses as much as digits as its factorization.

84315358157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016000, while the sum is 50.

The spelling of 84315358157 in words is "eighty-four billion, three hundred fifteen million, three hundred fifty-eight thousand, one hundred fifty-seven".