27974677950 has 36 divisors (see below), whose sum is σ = 75158635968. Its totient is φ = 7459914000.

The previous prime is 27974677937. The next prime is 27974677957. The reversal of 27974677950 is 5977647972.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27974677957) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 31082526 + ... + 31083425.

It is an arithmetic number, because the mean of its divisors is an integer number (2087739888).

Almost surely, 2^27974677950 is an apocalyptic number.

27974677950 is an abundant number, since it is smaller than the sum of its proper divisors (47183958018).

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

27974677950 is a wasteful number, since it uses less digits than its factorization.

27974677950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62165969 (or 62165961 counting only the distinct ones).

The product of its (nonzero) digits is 46675440, while the sum is 63.

The spelling of 27974677950 in words is "twenty-seven billion, nine hundred seventy-four million, six hundred seventy-seven thousand, nine hundred fifty".