27685953246 has 192 divisors, whose sum is σ = 71164016640. Its totient is φ = 7130592000.

The previous prime is 27685953241. The next prime is 27685953257. The reversal of 27685953246 is 64235958672.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27685953241) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10561816 + ... + 10564436.

It is an arithmetic number, because the mean of its divisors is an integer number (370645920).

Almost surely, 2^27685953246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27685953246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35582008320).

27685953246 is an abundant number, since it is smaller than the sum of its proper divisors (43478063394).

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

27685953246 is a wasteful number, since it uses less digits than its factorization.

27685953246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751 (or 2744 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 57.

The spelling of 27685953246 in words is "twenty-seven billion, six hundred eighty-five million, nine hundred fifty-three thousand, two hundred forty-six".