285996178212 has 48 divisors (see below), whose sum is σ = 698092789632. Its totient is φ = 90957461760.

The previous prime is 285996178207. The next prime is 285996178261. The reversal of 285996178212 is 212871699582.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1195489 + ... + 1414632.

It is an arithmetic number, because the mean of its divisors is an integer number (14543599784).

Almost surely, 2^285996178212 is an apocalyptic number.

It is an amenable number.

285996178212 is an abundant number, since it is smaller than the sum of its proper divisors (412096611420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285996178212 is a wasteful number, since it uses less digits than its factorization.

285996178212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610548 (or 2610546 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 60.

The spelling of 285996178212 in words is "two hundred eighty-five billion, nine hundred ninety-six million, one hundred seventy-eight thousand, two hundred twelve".