85421703 has 4 divisors (see below), whose sum is σ = 113895608. Its totient is φ = 56947800.

The previous prime is 85421681. The next prime is 85421723. The reversal of 85421703 is 30712458.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 85421703 - 2⁵ = 85421671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85421723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14236948 + ... + 14236953.

It is an arithmetic number, because the mean of its divisors is an integer number (28473902).

Almost surely, 2^85421703 is an apocalyptic number.

85421703 is a deficient number, since it is larger than the sum of its proper divisors (28473905).

85421703 is a wasteful number, since it uses less digits than its factorization.

85421703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28473904.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 85421703 is about 9242.3862178552. The cubic root of 85421703 is about 440.4088881568.

The spelling of 85421703 in words is "eighty-five million, four hundred twenty-one thousand, seven hundred three".