85620309393 has 4 divisors (see below), whose sum is σ = 114160412528. Its totient is φ = 57080206260.

The previous prime is 85620309329. The next prime is 85620309403. The reversal of 85620309393 is 39390302658.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 85620309393 - 2⁶ = 85620309329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85620309493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14270051563 + ... + 14270051568.

It is an arithmetic number, because the mean of its divisors is an integer number (28540103132).

Almost surely, 2^85620309393 is an apocalyptic number.

It is an amenable number.

85620309393 is a deficient number, since it is larger than the sum of its proper divisors (28540103135).

85620309393 is a wasteful number, since it uses less digits than its factorization.

85620309393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28540103134.

The product of its (nonzero) digits is 1049760, while the sum is 48.

The spelling of 85620309393 in words is "eighty-five billion, six hundred twenty million, three hundred nine thousand, three hundred ninety-three".