985285477 has 8 divisors (see below), whose sum is σ = 1121590080. Its totient is φ = 856769760.

The previous prime is 985285463. The next prime is 985285513. The reversal of 985285477 is 774582589.

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

It is a de Polignac number, because none of the positive numbers 2^k-985285477 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 (985285877) 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, 1946952 + ... + 1947457.

It is an arithmetic number, because the mean of its divisors is an integer number (140198760).

Almost surely, 2^985285477 is an apocalyptic number.

It is an amenable number.

985285477 is a deficient number, since it is larger than the sum of its proper divisors (136304603).

985285477 is a wasteful number, since it uses less digits than its factorization.

985285477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3894443.

The product of its digits is 5644800, while the sum is 55.

The square root of 985285477 is about 31389.2573502464. The cubic root of 985285477 is about 995.0709029211.

The spelling of 985285477 in words is "nine hundred eighty-five million, two hundred eighty-five thousand, four hundred seventy-seven".