885401861 has 8 divisors (see below), whose sum is σ = 889901760. Its totient is φ = 880911072.

The previous prime is 885401833. The next prime is 885401887. The reversal of 885401861 is 168104588.

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 885401861 - 2²⁶ = 818292997 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 (885401801) 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, 270050 + ... + 273308.

It is an arithmetic number, because the mean of its divisors is an integer number (111237720).

Almost surely, 2^885401861 is an apocalyptic number.

It is an amenable number.

885401861 is a deficient number, since it is larger than the sum of its proper divisors (4499899).

885401861 is a wasteful number, since it uses less digits than its factorization.

885401861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4555.

The product of its (nonzero) digits is 61440, while the sum is 41.

The square root of 885401861 is about 29755.7029995932. The cubic root of 885401861 is about 960.2407747487.

The spelling of 885401861 in words is "eight hundred eighty-five million, four hundred one thousand, eight hundred sixty-one".