85404055778383 has 8 divisors (see below), whose sum is σ = 85600373139200. Its totient is φ = 85207789536408.

The previous prime is 85404055778381. The next prime is 85404055778401. The reversal of 85404055778383 is 38387755040458.

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

It is a cyclic number.

It is not a de Polignac number, because 85404055778383 - 2¹ = 85404055778381 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 (85404055778381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9433473 + ... + 16118266.

It is an arithmetic number, because the mean of its divisors is an integer number (10700046642400).

Almost surely, 2^{85404055778383} is an apocalyptic number.

85404055778383 is a deficient number, since it is larger than the sum of its proper divisors (196317360817).

85404055778383 is a wasteful number, since it uses less digits than its factorization.

85404055778383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25559421.

The product of its (nonzero) digits is 451584000, while the sum is 67.

The spelling of 85404055778383 in words is "eighty-five trillion, four hundred four billion, fifty-five million, seven hundred seventy-eight thousand, three hundred eighty-three".