28771982150 has 48 divisors (see below), whose sum is σ = 56627804160. Its totient is φ = 10845914400.

The previous prime is 28771982137. The next prime is 28771982153. The reversal of 28771982150 is 5128917782.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28771982153) by changing a digit.

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, 102167 + ... + 260733.

It is an arithmetic number, because the mean of its divisors is an integer number (1179745920).

Almost surely, 2^28771982150 is an apocalyptic number.

28771982150 is a deficient number, since it is larger than the sum of its proper divisors (27855822010).

28771982150 is a wasteful number, since it uses less digits than its factorization.

28771982150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158789 (or 158784 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 50.

The spelling of 28771982150 in words is "twenty-eight billion, seven hundred seventy-one million, nine hundred eighty-two thousand, one hundred fifty".