85420753 has 16 divisors (see below), whose sum is σ = 98058240. Its totient is φ = 73699200.

The previous prime is 85420723. The next prime is 85420757. The reversal of 85420753 is 35702458.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 85420753 - 2⁵ = 85420721 is a prime.

It is a super-3 number, since 3×85420753³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85420757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14128 + ... + 19246.

It is an arithmetic number, because the mean of its divisors is an integer number (6128640).

Almost surely, 2^85420753 is an apocalyptic number.

It is an amenable number.

85420753 is a deficient number, since it is larger than the sum of its proper divisors (12637487).

85420753 is a wasteful number, since it uses less digits than its factorization.

85420753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5208.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 85420753 is about 9242.3348240583. The cubic root of 85420753 is about 440.4072555116.

The spelling of 85420753 in words is "eighty-five million, four hundred twenty thousand, seven hundred fifty-three".