85829439373 has 4 divisors (see below), whose sum is σ = 86863529088. Its totient is φ = 84795349660.

The previous prime is 85829439337. The next prime is 85829439391. The reversal of 85829439373 is 37393492858.

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 a cyclic number.

It is not a de Polignac number, because 85829439373 - 2²¹ = 85827342221 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 (85829439973) 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, 517044733 + ... + 517044898.

It is an arithmetic number, because the mean of its divisors is an integer number (21715882272).

Almost surely, 2^85829439373 is an apocalyptic number.

85829439373 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

85829439373 is a deficient number, since it is larger than the sum of its proper divisors (1034089715).

85829439373 is a wasteful number, since it uses less digits than its factorization.

85829439373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034089714.

The product of its digits is 39191040, while the sum is 61.

The spelling of 85829439373 in words is "eighty-five billion, eight hundred twenty-nine million, four hundred thirty-nine thousand, three hundred seventy-three".