28861907150 has 24 divisors (see below), whose sum is σ = 54184869000. Its totient is φ = 11436865760.

The previous prime is 28861907147. The next prime is 28861907161. The reversal of 28861907150 is 5170916882.

It is a super-2 number, since 2×28861907150² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28861907095 and 28861907104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2692025 + ... + 2702724.

It is an arithmetic number, because the mean of its divisors is an integer number (2257702875).

Almost surely, 2^28861907150 is an apocalyptic number.

28861907150 is a deficient number, since it is larger than the sum of its proper divisors (25322961850).

28861907150 is a wasteful number, since it uses less digits than its factorization.

28861907150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5394868 (or 5394863 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 47.

The spelling of 28861907150 in words is "twenty-eight billion, eight hundred sixty-one million, nine hundred seven thousand, one hundred fifty".