27731950950 has 48 divisors (see below), whose sum is σ = 75027537216. Its totient is φ = 6722896800.

The previous prime is 27731950943. The next prime is 27731950951. The reversal of 27731950950 is 5905913772.

It is a super-2 number, since 2×27731950950² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 27731950950.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27731950951) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 8401972 + ... + 8405271.

It is an arithmetic number, because the mean of its divisors is an integer number (1563073692).

Almost surely, 2^27731950950 is an apocalyptic number.

27731950950 is an abundant number, since it is smaller than the sum of its proper divisors (47295586266).

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

27731950950 is a wasteful number, since it uses less digits than its factorization.

27731950950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16807269 (or 16807264 counting only the distinct ones).

The product of its (nonzero) digits is 595350, while the sum is 48.

The spelling of 27731950950 in words is "twenty-seven billion, seven hundred thirty-one million, nine hundred fifty thousand, nine hundred fifty".