85281116372407 has 2 divisors, whose sum is σ = 85281116372408. Its totient is φ = 85281116372406.

The previous prime is 85281116372399. The next prime is 85281116372423. The reversal of 85281116372407 is 70427361118258.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85281116372407 - 2³ = 85281116372399 is a prime.

It is a super-2 number, since 2×85281116372407² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85281116378407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42640558186203 + 42640558186204.

It is an arithmetic number, because the mean of its divisors is an integer number (42640558186204).

Almost surely, 2^{85281116372407} is an apocalyptic number.

85281116372407 is a deficient number, since it is larger than the sum of its proper divisors (1).

85281116372407 is an equidigital number, since it uses as much as digits as its factorization.

85281116372407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 85281116372407 in words is "eighty-five trillion, two hundred eighty-one billion, one hundred sixteen million, three hundred seventy-two thousand, four hundred seven".