85420703 has 2 divisors, whose sum is σ = 85420704. Its totient is φ = 85420702.

The previous prime is 85420691. The next prime is 85420711. The reversal of 85420703 is 30702458.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85420703 - 2¹⁶ = 85355167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85420723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42710351 + 42710352.

It is an arithmetic number, because the mean of its divisors is an integer number (42710352).

Almost surely, 2^85420703 is an apocalyptic number.

85420703 is a deficient number, since it is larger than the sum of its proper divisors (1).

85420703 is an equidigital number, since it uses as much as digits as its factorization.

85420703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 85420703 is about 9242.3321191137. The cubic root of 85420703 is about 440.4071695826.

The spelling of 85420703 in words is "eighty-five million, four hundred twenty thousand, seven hundred three".