85434002005 has 8 divisors (see below), whose sum is σ = 111840875424. Its totient is φ = 62133819600.

The previous prime is 85434001973. The next prime is 85434002029. The reversal of 85434002005 is 50020043458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85434002005 - 2⁵ = 85434001973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776672691 + ... + 776672800.

It is an arithmetic number, because the mean of its divisors is an integer number (13980109428).

Almost surely, 2^85434002005 is an apocalyptic number.

It is an amenable number.

85434002005 is a deficient number, since it is larger than the sum of its proper divisors (26406873419).

85434002005 is a wasteful number, since it uses less digits than its factorization.

85434002005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553345507.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 85434002005 in words is "eighty-five billion, four hundred thirty-four million, two thousand, five".