272778874686 has 96 divisors (see below), whose sum is σ = 632431800000. Its totient is φ = 84673797120.

The previous prime is 272778874657. The next prime is 272778874699. The reversal of 272778874686 is 686478877272.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11009440 + ... + 11034188.

It is an arithmetic number, because the mean of its divisors is an integer number (6587831250).

Almost surely, 2^272778874686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 272778874686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316215900000).

272778874686 is an abundant number, since it is smaller than the sum of its proper divisors (359652925314).

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

272778874686 is a wasteful number, since it uses less digits than its factorization.

272778874686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25154 (or 25151 counting only the distinct ones).

The product of its digits is 708083712, while the sum is 72.

The spelling of 272778874686 in words is "two hundred seventy-two billion, seven hundred seventy-eight million, eight hundred seventy-four thousand, six hundred eighty-six".