85828751 has 2 divisors, whose sum is σ = 85828752. Its totient is φ = 85828750.

The previous prime is 85828667. The next prime is 85828807. The reversal of 85828751 is 15782858.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85828751 - 2²⁶ = 18719887 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_4989095 and since 85828751 and 4989095 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85828051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42914375 + 42914376.

It is an arithmetic number, because the mean of its divisors is an integer number (42914376).

Almost surely, 2^85828751 is an apocalyptic number.

85828751 is a deficient number, since it is larger than the sum of its proper divisors (1).

85828751 is an equidigital number, since it uses as much as digits as its factorization.

85828751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 179200, while the sum is 44.

The square root of 85828751 is about 9264.3807672181. The cubic root of 85828751 is about 441.1073194145.

The spelling of 85828751 in words is "eighty-five million, eight hundred twenty-eight thousand, seven hundred fifty-one".