85828894997731 has 2 divisors, whose sum is σ = 85828894997732. Its totient is φ = 85828894997730.

The previous prime is 85828894997701. The next prime is 85828894997761. The reversal of 85828894997731 is 13779949882858.

It is a balanced prime because it is at equal distance from previous prime (85828894997701) and next prime (85828894997761).

It is a cyclic number.

It is not a de Polignac number, because 85828894997731 - 2¹⁵ = 85828894964963 is a prime.

It is a super-2 number, since 2×85828894997731² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85828894997701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42914447498865 + 42914447498866.

It is an arithmetic number, because the mean of its divisors is an integer number (42914447498866).

Almost surely, 2^{85828894997731} is an apocalyptic number.

85828894997731 is a deficient number, since it is larger than the sum of its proper divisors (1).

85828894997731 is an equidigital number, since it uses as much as digits as its factorization.

85828894997731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17557585920, while the sum is 88.

The spelling of 85828894997731 in words is "eighty-five trillion, eight hundred twenty-eight billion, eight hundred ninety-four million, nine hundred ninety-seven thousand, seven hundred thirty-one".