27977375450 has 48 divisors (see below), whose sum is σ = 52390334304. Its totient is φ = 11115403200.

The previous prime is 27977375443. The next prime is 27977375497. The reversal of 27977375450 is 5457377972.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5229677 + ... + 5235023.

It is an arithmetic number, because the mean of its divisors is an integer number (1091465298).

Almost surely, 2^27977375450 is an apocalyptic number.

27977375450 is a deficient number, since it is larger than the sum of its proper divisors (24412958854).

27977375450 is a wasteful number, since it uses less digits than its factorization.

27977375450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6047 (or 6042 counting only the distinct ones).

The product of its (nonzero) digits is 12965400, while the sum is 56.

The spelling of 27977375450 in words is "twenty-seven billion, nine hundred seventy-seven million, three hundred seventy-five thousand, four hundred fifty".